diff --git a/dom.bs b/dom.bs
index 230d7ffd..bd9766a9 100644
--- a/dom.bs
+++ b/dom.bs
@@ -6933,6 +6933,10 @@ are:
 <a for=/>element</a> <var>element</var>, a string <var>mode</var>, a boolean <var>clonable</var>,
 a boolean <var>delegatesFocus</var>, and a boolean <var>slotAssignment</var>:
 
+<!-- Any new parameters added to <a>attach a shadow root</a> should be
+     added to the list of parameter-match tests under "If one of the
+     following is true" below. -->
+
 <ol>
  <li><p>If <var>element</var>'s <a for=Element>namespace</a> is not the <a>HTML namespace</a>,
  then <a>throw</a> a "{{NotSupportedError!!exception}}" {{DOMException}}.
@@ -6963,28 +6967,26 @@ a boolean <var>delegatesFocus</var>, and a boolean <var>slotAssignment</var>:
    <li><p>Let <var>currentShadowRoot</var> be <var>element</var>'s
    <a for=Element>shadow root</a>.
 
-   <li><p>If one of the following is true:
-
-   <ul>
-    <li><p><var>currentShadowRoot</var>'s <a for=ShadowRoot>declarative</a> is false,
+   <li>
+    <p>If one of the following is true:
 
-    <li><p><var>currentShadowRoot</var>'s <a for=ShadowRoot>mode</a> does not match
-    <var>mode</var>,
+    <ul>
+     <li><p><var>currentShadowRoot</var>'s <a for=ShadowRoot>declarative</a> is false,
 
-    <li><p><var>currentShadowRoot</var>'s <a for=ShadowRoot>delegates focus</a> does
-    not match <var>delegatesFocus</var>,
+     <li><p><var>currentShadowRoot</var>'s <a for=ShadowRoot>mode</a> does not match
+     <var>mode</var>,
 
-    <li><p><var>currentShadowRoot</var>'s <a for=ShadowRoot>slot assignment</a> does
-    not match <var>slotAssignment</var>,
+     <li><p><var>currentShadowRoot</var>'s <a for=ShadowRoot>delegates focus</a> does
+     not match <var>delegatesFocus</var>,
 
-    <li><p><var>currentShadowRoot</var>'s <a for=ShadowRoot>clonable</a> does
-    not match <var>clonable</var>,
-   </ul>
+     <li><p><var>currentShadowRoot</var>'s <a for=ShadowRoot>slot assignment</a> does
+     not match <var>slotAssignment</var>, or
 
-   <p>then <a>throw</a> a "{{NotSupportedError!!exception}}" {{DOMException}}.
+     <li><p><var>currentShadowRoot</var>'s <a for=ShadowRoot>clonable</a> does
+     not match <var>clonable</var>,
+    </ul>
 
-   <p class=note>Any new parameters added to <a>attach a shadow root</a> should be
-   added to the list of tests above.
+    <p>then <a>throw</a> a "{{NotSupportedError!!exception}}" {{DOMException}}.
 
    <li>
     <p>Otherwise: