diff --git a/src/author-invite-flow/author-invite.ts b/src/author-invite-flow/author-invite.ts
index b7d60bdc1..a6d36d164 100644
--- a/src/author-invite-flow/author-invite.ts
+++ b/src/author-invite-flow/author-invite.ts
@@ -8,7 +8,7 @@ import type * as TE from 'fp-ts/lib/TaskEither.js'
 import { flow, pipe } from 'fp-ts/lib/function.js'
 import type { LanguageCode } from 'iso-639-1'
 import { type Orcid, Eq as eqOrcid } from 'orcid-id-ts'
-import { getLangDir } from 'rtl-detect'
+import rtlDetect from 'rtl-detect'
 import { P, match } from 'ts-pattern'
 import type { Uuid } from 'uuid-ts'
 import { type GetAuthorInviteEnv, getAuthorInvite } from '../author-invite.js'
@@ -116,7 +116,7 @@ function startPage({ inviteId, review, user }: { inviteId: Uuid; review: Prerevi
         <header>
           <h2 id="prereview-title">
             ${review.structured ? 'Structured ' : ''}PREreview of
-            <cite lang="${review.preprint.language}" dir="${getLangDir(review.preprint.language)}"
+            <cite lang="${review.preprint.language}" dir="${rtlDetect.getLangDir(review.preprint.language)}"
               >${review.preprint.title}</cite
             >
           </h2>
@@ -168,7 +168,7 @@ function startPage({ inviteId, review, user }: { inviteId: Uuid; review: Prerevi
           </dl>
         </header>
 
-        <div ${review.language ? html`lang="${review.language}" dir="${getLangDir(review.language)}"` : ''}>
+        <div ${review.language ? html`lang="${review.language}" dir="${rtlDetect.getLangDir(review.language)}"` : ''}>
           ${fixHeadingLevels(1, review.text)}
         </div>
 
diff --git a/src/author-invite-flow/decline-page/decline-page.ts b/src/author-invite-flow/decline-page/decline-page.ts
index 683f10dbd..4628218d7 100644
--- a/src/author-invite-flow/decline-page/decline-page.ts
+++ b/src/author-invite-flow/decline-page/decline-page.ts
@@ -3,7 +3,7 @@ import * as RNEA from 'fp-ts/lib/ReadonlyNonEmptyArray.js'
 import { flow, pipe } from 'fp-ts/lib/function.js'
 import { Status } from 'hyper-ts'
 import type { Orcid } from 'orcid-id-ts'
-import { getLangDir } from 'rtl-detect'
+import rtlDetect from 'rtl-detect'
 import { match } from 'ts-pattern'
 import type { Uuid } from 'uuid-ts'
 import { getClubName } from '../../club-details.js'
@@ -26,7 +26,7 @@ export const declinePage = ({ inviteId, review }: { inviteId: Uuid; review: Prer
           <header>
             <h2 id="prereview-title">
               ${review.structured ? 'Structured ' : ''}PREreview of
-              <cite lang="${review.preprint.language}" dir="${getLangDir(review.preprint.language)}"
+              <cite lang="${review.preprint.language}" dir="${rtlDetect.getLangDir(review.preprint.language)}"
                 >${review.preprint.title}</cite
               >
             </h2>
@@ -80,7 +80,7 @@ export const declinePage = ({ inviteId, review }: { inviteId: Uuid; review: Prer
             </dl>
           </header>
 
-          <div ${review.language ? html`lang="${review.language}" dir="${getLangDir(review.language)}"` : ''}>
+          <div ${review.language ? html`lang="${review.language}" dir="${rtlDetect.getLangDir(review.language)}"` : ''}>
             ${fixHeadingLevels(1, review.text)}
           </div>
 
diff --git a/src/club-profile-page/club-profile-page.ts b/src/club-profile-page/club-profile-page.ts
index 8256f2408..90bbd9167 100644
--- a/src/club-profile-page/club-profile-page.ts
+++ b/src/club-profile-page/club-profile-page.ts
@@ -2,7 +2,7 @@ import { format } from 'fp-ts-routing'
 import * as RA from 'fp-ts/lib/ReadonlyArray.js'
 import * as RNEA from 'fp-ts/lib/ReadonlyNonEmptyArray.js'
 import { flow, pipe } from 'fp-ts/lib/function.js'
-import { getLangDir } from 'rtl-detect'
+import rtlDetect from 'rtl-detect'
 import { match } from 'ts-pattern'
 import type { Club } from '../club-details.js'
 import { type Html, html, plainText, rawHtml } from '../html.js'
@@ -67,7 +67,9 @@ export function createPage({ club, id, prereviews }: { club: Club; id: ClubId; p
                           formatList('en'),
                         )}
                         reviewed
-                        <cite dir="${getLangDir(prereview.preprint.language)}" lang="${prereview.preprint.language}"
+                        <cite
+                          dir="${rtlDetect.getLangDir(prereview.preprint.language)}"
+                          lang="${prereview.preprint.language}"
                           >${prereview.preprint.title}</cite
                         >
                       </a>
diff --git a/src/home-page/home-page.ts b/src/home-page/home-page.ts
index f90d32037..8913fb250 100644
--- a/src/home-page/home-page.ts
+++ b/src/home-page/home-page.ts
@@ -2,7 +2,7 @@ import { format } from 'fp-ts-routing'
 import * as RA from 'fp-ts/lib/ReadonlyArray.js'
 import * as RNEA from 'fp-ts/lib/ReadonlyNonEmptyArray.js'
 import { flow, pipe } from 'fp-ts/lib/function.js'
-import { getLangDir } from 'rtl-detect'
+import rtlDetect from 'rtl-detect'
 import { match } from 'ts-pattern'
 import { getClubName } from '../club-details.js'
 import { type Html, html, plainText, rawHtml } from '../html.js'
@@ -118,7 +118,9 @@ export const createPage = ({
                       <article aria-labelledby="request-${index}-title">
                         <h3 id="request-${index}-title" class="visually-hidden">
                           Review request for
-                          <cite dir="${getLangDir(request.preprint.language)}" lang="${request.preprint.language}"
+                          <cite
+                            dir="${rtlDetect.getLangDir(request.preprint.language)}"
+                            lang="${request.preprint.language}"
                             >${request.preprint.title}</cite
                           >
                         </h3>
@@ -129,7 +131,9 @@ export const createPage = ({
                           })}"
                         >
                           A review was requested for
-                          <cite dir="${getLangDir(request.preprint.language)}" lang="${request.preprint.language}"
+                          <cite
+                            dir="${rtlDetect.getLangDir(request.preprint.language)}"
+                            lang="${request.preprint.language}"
                             >${request.preprint.title}</cite
                           >
                         </a>
@@ -222,7 +226,9 @@ export const createPage = ({
                       <article aria-labelledby="prereview-${prereview.id}-title">
                         <h3 id="prereview-${prereview.id}-title" class="visually-hidden">
                           PREreview of
-                          <cite dir="${getLangDir(prereview.preprint.language)}" lang="${prereview.preprint.language}"
+                          <cite
+                            dir="${rtlDetect.getLangDir(prereview.preprint.language)}"
+                            lang="${prereview.preprint.language}"
                             >${prereview.preprint.title}</cite
                           >
                         </h3>
@@ -230,7 +236,9 @@ export const createPage = ({
                         <a href="${format(reviewMatch.formatter, { id: prereview.id })}">
                           ${formatList('en')(prereview.reviewers)}
                           ${prereview.club ? html`of the <b>${getClubName(prereview.club)}</b>` : ''} reviewed
-                          <cite dir="${getLangDir(prereview.preprint.language)}" lang="${prereview.preprint.language}"
+                          <cite
+                            dir="${rtlDetect.getLangDir(prereview.preprint.language)}"
+                            lang="${prereview.preprint.language}"
                             >${prereview.preprint.title}</cite
                           >
                         </a>
diff --git a/src/legacy-routes/index.ts b/src/legacy-routes/index.ts
index 47a2ff9af..f4964003b 100644
--- a/src/legacy-routes/index.ts
+++ b/src/legacy-routes/index.ts
@@ -6,7 +6,7 @@ import * as O from 'fp-ts/lib/Option.js'
 import * as RTE from 'fp-ts/lib/ReaderTaskEither.js'
 import type * as TE from 'fp-ts/lib/TaskEither.js'
 import { constant, flow, pipe, tuple } from 'fp-ts/lib/function.js'
-import { NotFound } from 'http-errors'
+import httpErrors from 'http-errors'
 import type { ResponseEnded, StatusOpen } from 'hyper-ts'
 import { route } from 'hyper-ts-routing'
 import * as RM from 'hyper-ts/lib/ReaderMiddleware.js'
@@ -384,7 +384,11 @@ const legacyRouter: P.Parser<RM.ReaderMiddleware<LegacyEnv, StatusOpen, Response
   concatAll(P.getParserMonoid()),
 )
 
-export const legacyRoutes = pipe(route(legacyRouter, constant(new NotFound())), RM.fromMiddleware, RM.iflatten)
+export const legacyRoutes = pipe(
+  route(legacyRouter, constant(new httpErrors.NotFound())),
+  RM.fromMiddleware,
+  RM.iflatten,
+)
 
 const showRemovedPermanentlyMessage = pipe(
   RM.of({}),
diff --git a/src/middleware.ts b/src/middleware.ts
index 6a12c2f44..79e608356 100644
--- a/src/middleware.ts
+++ b/src/middleware.ts
@@ -1,5 +1,5 @@
 import { pipe } from 'fp-ts/lib/function.js'
-import { NotFound, ServiceUnavailable } from 'http-errors'
+import httpErrors from 'http-errors'
 import { type ResponseEnded, Status, type StatusOpen } from 'hyper-ts'
 import * as M from 'hyper-ts/lib/Middleware.js'
 import { handleError } from './http-error.js'
@@ -22,8 +22,8 @@ export const movedPermanently: <E = never>(
     M.ichain(() => M.end()),
   )
 
-export const notFound = handleError(new NotFound())
+export const notFound = handleError(new httpErrors.NotFound())
 
-export const serviceUnavailable = handleError(new ServiceUnavailable())
+export const serviceUnavailable = handleError(new httpErrors.ServiceUnavailable())
 
 export const getMethod = M.gets(c => c.getMethod())
diff --git a/src/my-prereviews-page/list-of-prereviews.ts b/src/my-prereviews-page/list-of-prereviews.ts
index 7e522b855..6a132cc7e 100644
--- a/src/my-prereviews-page/list-of-prereviews.ts
+++ b/src/my-prereviews-page/list-of-prereviews.ts
@@ -2,7 +2,7 @@ import { format } from 'fp-ts-routing'
 import * as RNEA from 'fp-ts/lib/ReadonlyNonEmptyArray.js'
 import type { ReadonlyNonEmptyArray } from 'fp-ts/lib/ReadonlyNonEmptyArray.js'
 import { flow, pipe } from 'fp-ts/lib/function.js'
-import { getLangDir } from 'rtl-detect'
+import rtlDetect from 'rtl-detect'
 import { match } from 'ts-pattern'
 import { type Html, html, plainText, rawHtml } from '../html.js'
 import { PageResponse } from '../response.js'
@@ -58,7 +58,7 @@ export const toResponse = ({ prereviews, user }: ListOfPrereviews) =>
                     formatList('en'),
                   )}
                   reviewed
-                  <cite dir="${getLangDir(prereview.preprint.language)}" lang="${prereview.preprint.language}"
+                  <cite dir="${rtlDetect.getLangDir(prereview.preprint.language)}" lang="${prereview.preprint.language}"
                     >${prereview.preprint.title}</cite
                   >
                 </a>
diff --git a/src/preprint-reviews-page/preprint-reviews.ts b/src/preprint-reviews-page/preprint-reviews.ts
index c7d8e908a..98c962f67 100644
--- a/src/preprint-reviews-page/preprint-reviews.ts
+++ b/src/preprint-reviews-page/preprint-reviews.ts
@@ -6,7 +6,7 @@ import type { ReadonlyNonEmptyArray } from 'fp-ts/lib/ReadonlyNonEmptyArray.js'
 import * as RNEA from 'fp-ts/lib/ReadonlyNonEmptyArray.js'
 import { flow, pipe } from 'fp-ts/lib/function.js'
 import type { Orcid } from 'orcid-id-ts'
-import { getLangDir } from 'rtl-detect'
+import rtlDetect from 'rtl-detect'
 import { get } from 'spectacles-ts'
 import textClipper from 'text-clipper'
 import { match, P as p } from 'ts-pattern'
@@ -46,13 +46,17 @@ export const createPage = ({
     }
     `,
     h1: html`PREreviews of
-      <cite lang="${preprint.title.language}" dir="${getLangDir(preprint.title.language)}"
+      <cite lang="${preprint.title.language}" dir="${rtlDetect.getLangDir(preprint.title.language)}"
         >${preprint.title.text}</cite
       >`,
     aside: html`
       <article aria-labelledby="preprint-title">
         <header>
-          <h2 lang="${preprint.title.language}" dir="${getLangDir(preprint.title.language)}" id="preprint-title">
+          <h2
+            lang="${preprint.title.language}"
+            dir="${rtlDetect.getLangDir(preprint.title.language)}"
+            id="preprint-title"
+          >
             ${preprint.title.text}
           </h2>
 
@@ -123,7 +127,7 @@ export const createPage = ({
           ? html`
               <h3>Abstract</h3>
 
-              <div lang="${preprint.abstract.language}" dir="${getLangDir(preprint.abstract.language)}">
+              <div lang="${preprint.abstract.language}" dir="${rtlDetect.getLangDir(preprint.abstract.language)}">
                 ${fixHeadingLevels(3, preprint.abstract.text)}
               </div>
             `
@@ -185,7 +189,7 @@ function showReview(review: Prereview) {
           </div>
         </header>
 
-        <div ${review.language ? html`lang="${review.language}" dir="${getLangDir(review.language)}"` : ''}>
+        <div ${review.language ? html`lang="${review.language}" dir="${rtlDetect.getLangDir(review.language)}"` : ''}>
           ${fixHeadingLevels(
             3,
             rawHtml(textClipper(review.text.toString(), 300, { html: true, maxLines: 5, stripTags: ['a'] })),
diff --git a/src/profile-page/render-list-of-prereviews.ts b/src/profile-page/render-list-of-prereviews.ts
index fde55fc6c..9b271181b 100644
--- a/src/profile-page/render-list-of-prereviews.ts
+++ b/src/profile-page/render-list-of-prereviews.ts
@@ -2,7 +2,7 @@ import { format } from 'fp-ts-routing'
 import * as RA from 'fp-ts/lib/ReadonlyArray.js'
 import * as RNEA from 'fp-ts/lib/ReadonlyNonEmptyArray.js'
 import { flow, pipe } from 'fp-ts/lib/function.js'
-import { getLangDir } from 'rtl-detect'
+import rtlDetect from 'rtl-detect'
 import { match } from 'ts-pattern'
 import { getClubName } from '../club-details.js'
 import { type Html, html, rawHtml } from '../html.js'
@@ -36,7 +36,9 @@ export function renderListOfPrereviews(prereviews: Prereviews, name: NonEmptyStr
                       formatList('en'),
                     )}
                     ${prereview.club ? html`of the <b>${getClubName(prereview.club)}</b>` : ''} reviewed
-                    <cite dir="${getLangDir(prereview.preprint.language)}" lang="${prereview.preprint.language}"
+                    <cite
+                      dir="${rtlDetect.getLangDir(prereview.preprint.language)}"
+                      lang="${prereview.preprint.language}"
                       >${prereview.preprint.title}</cite
                     >
                   </a>
diff --git a/src/request-review-flow/request-review-page/request-review-page.ts b/src/request-review-flow/request-review-page/request-review-page.ts
index 5839a9d97..bc16475bc 100644
--- a/src/request-review-flow/request-review-page/request-review-page.ts
+++ b/src/request-review-flow/request-review-page/request-review-page.ts
@@ -1,5 +1,5 @@
 import { format } from 'fp-ts-routing'
-import { getLangDir } from 'rtl-detect'
+import rtlDetect from 'rtl-detect'
 import { html, plainText } from '../../html.js'
 import type { PreprintTitle } from '../../preprint.js'
 import { StreamlinePageResponse } from '../../response.js'
@@ -17,9 +17,9 @@ export const requestReviewPage = ({ preprint, user }: { preprint: PreprintTitle;
 
       <p>
         You can request a PREreview of
-        <cite dir="${getLangDir(preprint.language)}" lang="${preprint.language}">${preprint.title}</cite>. A PREreview
-        is a review of a preprint and can vary from a few sentences to a lengthy report, similar to a journal-organized
-        peer-review report.
+        <cite dir="${rtlDetect.getLangDir(preprint.language)}" lang="${preprint.language}">${preprint.title}</cite>. A
+        PREreview is a review of a preprint and can vary from a few sentences to a lengthy report, similar to a
+        journal-organized peer-review report.
       </p>
 
       ${user
diff --git a/src/review-page/review-page.ts b/src/review-page/review-page.ts
index 33024bb0f..898be5226 100644
--- a/src/review-page/review-page.ts
+++ b/src/review-page/review-page.ts
@@ -3,7 +3,7 @@ import { format } from 'fp-ts-routing'
 import * as RNEA from 'fp-ts/lib/ReadonlyNonEmptyArray.js'
 import { flow, pipe } from 'fp-ts/lib/function.js'
 import type { Orcid } from 'orcid-id-ts'
-import { getLangDir } from 'rtl-detect'
+import rtlDetect from 'rtl-detect'
 import { match } from 'ts-pattern'
 import { getClubName } from '../club-details.js'
 import { type Html, fixHeadingLevels, html, plainText, rawHtml } from '../html.js'
@@ -34,7 +34,7 @@ export const createPage = ({ id, review }: { id: number; review: Prereview }) =>
       <header>
         <h1>
           ${review.structured ? 'Structured ' : ''}PREreview of
-          <cite lang="${review.preprint.language}" dir="${getLangDir(review.preprint.language)}"
+          <cite lang="${review.preprint.language}" dir="${rtlDetect.getLangDir(review.preprint.language)}"
             >${review.preprint.title}</cite
           >
         </h1>
@@ -86,7 +86,7 @@ export const createPage = ({ id, review }: { id: number; review: Prereview }) =>
         </dl>
       </header>
 
-      <div ${review.language ? html`lang="${review.language}" dir="${getLangDir(review.language)}"` : ''}>
+      <div ${review.language ? html`lang="${review.language}" dir="${rtlDetect.getLangDir(review.language)}"` : ''}>
         ${fixHeadingLevels(1, review.text)}
       </div>
 
diff --git a/src/review-requests-page/review-requests-page.ts b/src/review-requests-page/review-requests-page.ts
index b8b2a5ab1..23795e8ec 100644
--- a/src/review-requests-page/review-requests-page.ts
+++ b/src/review-requests-page/review-requests-page.ts
@@ -7,7 +7,7 @@ import { snd } from 'fp-ts/lib/ReadonlyTuple.js'
 import { flow, pipe } from 'fp-ts/lib/function.js'
 import { isString } from 'fp-ts/lib/string.js'
 import iso6391, { type LanguageCode } from 'iso-639-1'
-import { getLangDir } from 'rtl-detect'
+import rtlDetect from 'rtl-detect'
 import { match } from 'ts-pattern'
 import { type Html, html, plainText, rawHtml } from '../html.js'
 import { PageResponse } from '../response.js'
@@ -33,7 +33,7 @@ export const createPage = ({ currentPage, totalPages, language, field, reviewReq
               <article aria-labelledby="request-${index}-title">
                 <h2 id="request-${index}-title" class="visually-hidden">
                   Review request for
-                  <cite dir="${getLangDir(request.preprint.language)}" lang="${request.preprint.language}"
+                  <cite dir="${rtlDetect.getLangDir(request.preprint.language)}" lang="${request.preprint.language}"
                     >${request.preprint.title}</cite
                   >
                 </h2>
@@ -44,7 +44,7 @@ export const createPage = ({ currentPage, totalPages, language, field, reviewReq
                   })}"
                 >
                   A review was requested for
-                  <cite dir="${getLangDir(request.preprint.language)}" lang="${request.preprint.language}"
+                  <cite dir="${rtlDetect.getLangDir(request.preprint.language)}" lang="${request.preprint.language}"
                     >${request.preprint.title}</cite
                   >
                 </a>
diff --git a/src/reviews-page/reviews-page.ts b/src/reviews-page/reviews-page.ts
index db9989ad2..ea61d5a21 100644
--- a/src/reviews-page/reviews-page.ts
+++ b/src/reviews-page/reviews-page.ts
@@ -7,7 +7,7 @@ import { snd } from 'fp-ts/lib/ReadonlyTuple.js'
 import { flow, pipe } from 'fp-ts/lib/function.js'
 import { isString } from 'fp-ts/lib/string.js'
 import iso6391, { type LanguageCode } from 'iso-639-1'
-import { getLangDir } from 'rtl-detect'
+import rtlDetect from 'rtl-detect'
 import { match } from 'ts-pattern'
 import { getClubName } from '../club-details.js'
 import { type Html, html, plainText, rawHtml } from '../html.js'
@@ -41,7 +41,9 @@ export const createPage = (
                   <a href="${format(reviewMatch.formatter, { id: prereview.id })}">
                     ${formatList('en')(prereview.reviewers)}
                     ${prereview.club ? html`of the <b>${getClubName(prereview.club)}</b>` : ''} reviewed
-                    <cite dir="${getLangDir(prereview.preprint.language)}" lang="${prereview.preprint.language}"
+                    <cite
+                      dir="${rtlDetect.getLangDir(prereview.preprint.language)}"
+                      lang="${prereview.preprint.language}"
                       >${prereview.preprint.title}</cite
                     >
                   </a>
diff --git a/src/router.ts b/src/router.ts
index 4042aee5e..b2736406e 100644
--- a/src/router.ts
+++ b/src/router.ts
@@ -11,7 +11,7 @@ import * as RA from 'fp-ts/lib/ReadonlyArray.js'
 import * as T from 'fp-ts/lib/Task.js'
 import { constVoid, constant, flow, pipe } from 'fp-ts/lib/function.js'
 import { isString } from 'fp-ts/lib/string.js'
-import { NotFound } from 'http-errors'
+import httpErrors from 'http-errors'
 import type { ResponseEnded, StatusOpen } from 'hyper-ts'
 import { route } from 'hyper-ts-routing'
 import type { SessionEnv } from 'hyper-ts-session'
@@ -1969,4 +1969,4 @@ const router: P.Parser<RM.ReaderMiddleware<RouterEnv, StatusOpen, ResponseEnded,
   concatAll(P.getParserMonoid()),
 )
 
-export const routes = pipe(route(router, constant(new NotFound())), RM.fromMiddleware, RM.iflatten)
+export const routes = pipe(route(router, constant(new httpErrors.NotFound())), RM.fromMiddleware, RM.iflatten)
diff --git a/src/write-review/publish-page/publish-form.ts b/src/write-review/publish-page/publish-form.ts
index 9d052ce15..273837025 100644
--- a/src/write-review/publish-page/publish-form.ts
+++ b/src/write-review/publish-page/publish-form.ts
@@ -3,7 +3,7 @@ import * as RA from 'fp-ts/lib/ReadonlyArray.js'
 import * as RNEA from 'fp-ts/lib/ReadonlyNonEmptyArray.js'
 import { flow, pipe } from 'fp-ts/lib/function.js'
 import type { Orcid } from 'orcid-id-ts'
-import { getLangDir } from 'rtl-detect'
+import rtlDetect from 'rtl-detect'
 import { get } from 'spectacles-ts'
 import { P, match } from 'ts-pattern'
 import { type Html, fixHeadingLevels, html, plainText, rawHtml } from '../../html.js'
@@ -49,7 +49,9 @@ export function publishForm(preprint: PreprintTitle, review: CompletedForm, user
               <div>
                 <dt>Title</dt>
                 <dd>
-                  <cite lang="${preprint.language}" dir="${getLangDir(preprint.language)}">${preprint.title}</cite>
+                  <cite lang="${preprint.language}" dir="${rtlDetect.getLangDir(preprint.language)}"
+                    >${preprint.title}</cite
+                  >
                 </dd>
               </div>
               <div>
diff --git a/src/write-review/start-page/carry-on-page.ts b/src/write-review/start-page/carry-on-page.ts
index 7cc109c60..1e535fb62 100644
--- a/src/write-review/start-page/carry-on-page.ts
+++ b/src/write-review/start-page/carry-on-page.ts
@@ -1,5 +1,5 @@
 import { format } from 'fp-ts-routing'
-import { getLangDir } from 'rtl-detect'
+import rtlDetect from 'rtl-detect'
 import { html, plainText } from '../../html.js'
 import type { PreprintTitle } from '../../preprint.js'
 import { StreamlinePageResponse } from '../../response.js'
@@ -17,8 +17,8 @@ export const carryOnPage = (preprint: PreprintTitle, form: Form) =>
 
       <p>
         As you’ve already started a PREreview of
-        <cite lang="${preprint.language}" dir="${getLangDir(preprint.language)}">${preprint.title}</cite>, we’ll take
-        you to the next step so you can carry&nbsp;on.
+        <cite lang="${preprint.language}" dir="${rtlDetect.getLangDir(preprint.language)}">${preprint.title}</cite>,
+        we’ll take you to the next step so you can carry&nbsp;on.
       </p>
 
       <a href="${format(nextFormMatch(form).formatter, { id: preprint.id })}" role="button" draggable="false"
diff --git a/src/write-review/write-a-prereview-page/write-a-prereview-page.ts b/src/write-review/write-a-prereview-page/write-a-prereview-page.ts
index 1c7d65f0d..62307232c 100644
--- a/src/write-review/write-a-prereview-page/write-a-prereview-page.ts
+++ b/src/write-review/write-a-prereview-page/write-a-prereview-page.ts
@@ -2,7 +2,7 @@ import { isDoi } from 'doi-ts'
 import { format } from 'fp-ts-routing'
 import * as RNEA from 'fp-ts/lib/ReadonlyNonEmptyArray.js'
 import { flow, pipe } from 'fp-ts/lib/function.js'
-import { getLangDir } from 'rtl-detect'
+import rtlDetect from 'rtl-detect'
 import { P, match } from 'ts-pattern'
 import { type Html, fixHeadingLevels, html, plainText, rawHtml } from '../../html.js'
 import type { Preprint } from '../../preprint.js'
@@ -22,7 +22,7 @@ export const startPage = (preprint: Preprint, user?: User) =>
 
     <article class="preview" tabindex="0" aria-labelledby="preprint-title">
       <header>
-        <h2 lang="${preprint.title.language}" dir="${getLangDir(preprint.title.language)}" id="preprint-title">
+        <h2 lang="${preprint.title.language}" dir="${rtlDetect.getLangDir(preprint.title.language)}" id="preprint-title">
           ${preprint.title.text}
         </h2>
 
@@ -96,7 +96,7 @@ export const startPage = (preprint: Preprint, user?: User) =>
       ${
         preprint.abstract
           ? html`
-              <div lang="${preprint.abstract.language}" dir="${getLangDir(preprint.abstract.language)}">
+              <div lang="${preprint.abstract.language}" dir="${rtlDetect.getLangDir(preprint.abstract.language)}">
                 ${fixHeadingLevels(2, preprint.abstract.text)}
               </div>
             `
@@ -106,7 +106,7 @@ export const startPage = (preprint: Preprint, user?: User) =>
 
     <p>
       You can write a PREreview of
-      <cite lang="${preprint.title.language}" dir="${getLangDir(preprint.title.language)}"
+      <cite lang="${preprint.title.language}" dir="${rtlDetect.getLangDir(preprint.title.language)}"
       >${preprint.title.text}</cite
       >. A PREreview is a review of a preprint and can vary from a few sentences to a lengthy report, similar to a
       journal-organized peer-review report.
diff --git a/src/zenodo.ts b/src/zenodo.ts
index f096899e2..2d2dfbe5d 100644
--- a/src/zenodo.ts
+++ b/src/zenodo.ts
@@ -17,7 +17,7 @@ import * as RNEA from 'fp-ts/lib/ReadonlyNonEmptyArray.js'
 import type * as T from 'fp-ts/lib/Task.js'
 import { constVoid, flow, identity, pipe } from 'fp-ts/lib/function.js'
 import { toUpperCase } from 'fp-ts/lib/string.js'
-import { type HttpError, NotFound } from 'http-errors'
+import httpErrors, { type HttpError } from 'http-errors'
 import { Status } from 'hyper-ts'
 import * as D from 'io-ts/lib/Decoder.js'
 import type { LanguageCode } from 'iso-639-1'
@@ -562,7 +562,7 @@ function recordToPrereview(
   return pipe(
     RTE.Do,
     RTE.apS('preprintId', getReviewedPreprintId(record)),
-    RTE.apSW('reviewTextUrl', RTE.fromOption(() => new NotFound())(getReviewUrl(record))),
+    RTE.apSW('reviewTextUrl', RTE.fromOption(() => new httpErrors.NotFound())(getReviewUrl(record))),
     RTE.apSW(
       'license',
       RTE.fromEither(
@@ -609,7 +609,7 @@ function recordToPreprintPrereview(
   record: Record,
 ): RTE.ReaderTaskEither<F.FetchEnv & L.LoggerEnv, HttpError<404> | 'text-unavailable', PreprintPrereview> {
   return pipe(
-    RTE.fromOption(() => new NotFound())(getReviewUrl(record)),
+    RTE.fromOption(() => new httpErrors.NotFound())(getReviewUrl(record)),
     RTE.chainW(reviewTextUrl =>
       sequenceS(RTE.ApplyPar)({
         authors: RTE.right(getAuthors(record)),