diff --git a/src/errors.ts b/src/errors.ts
index ccb78b4fa..e884de2c5 100644
--- a/src/errors.ts
+++ b/src/errors.ts
@@ -54,17 +54,17 @@ export class DecapError extends HpkeError {}
 export class ExportError extends HpkeError {}
 
 /**
- * Context AEAD seal() failure.
+ * seal() failure.
  */
 export class SealError extends HpkeError {}
 
 /**
- * Context AEAD open() failure.
+ * open() failure.
  */
 export class OpenError extends HpkeError {}
 
 /**
- * Context AEAD sequence number overflow.
+ * Sequence number overflow on the encryption context.
  */
 export class MessageLimitReachedError extends HpkeError {}
 
diff --git a/src/identifiers.ts b/src/identifiers.ts
index 984dbcfa5..6a3852c7a 100644
--- a/src/identifiers.ts
+++ b/src/identifiers.ts
@@ -1,5 +1,5 @@
 /**
- * Supported HPKE modes.
+ * The supported HPKE modes.
  */
 export const Mode = {
   Base: 0x00,
@@ -9,12 +9,12 @@ export const Mode = {
 } as const;
 
 /**
- * The type of the Supported HPKE modes.
+ * The type alias of the supported HPKE modes.
  */
 export type Mode = typeof Mode[keyof typeof Mode];
 
 /**
- * Supported Key Encapsulation Mechanism (KEM) identifiers.
+ * The supported Key Encapsulation Mechanism (KEM) identifiers.
  *
  * @deprecated Use {@link KdfId} instead.
  */
@@ -28,24 +28,24 @@ export const Kem = {
 } as const;
 
 /**
- * The type of the supported KEM identifiers.
+ * The type alias of the supported KEM identifiers.
  *
  * @deprecated Use {@link KdfId} instead.
  */
 export type Kem = typeof Kem[keyof typeof Kem];
 
 /**
- * Supported Key Encapsulation Mechanism (KEM) identifiers.
+ * The supported Key Encapsulation Mechanism (KEM) identifiers.
  */
 export const KemId = Kem;
 
 /**
- * The type of the supported KEM identifiers.
+ * The type alias of the supported KEM identifiers.
  */
 export type KemId = typeof KemId[keyof typeof KemId];
 
 /**
- * Supported Key Derivation Function (KDF) identifiers.
+ * The supported Key Derivation Function (KDF) identifiers.
  *
  * @deprecated Use {@link KdfId} instead.
  */
@@ -56,24 +56,24 @@ export const Kdf = {
 } as const;
 
 /**
- * The type of the supported KDF identifiers.
+ * The type alias of the supported KDF identifiers.
  *
  * @deprecated Use {@link KdfId} instead.
  */
 export type Kdf = typeof Kdf[keyof typeof Kdf];
 
 /**
- * Supported Key Derivation Function (KDF) identifiers.
+ * The supported Key Derivation Function (KDF) identifiers.
  */
 export const KdfId = Kdf;
 
 /**
- * The type of the supported KDF identifiers.
+ * The type alias of the supported KDF identifiers.
  */
 export type KdfId = typeof KdfId[keyof typeof KdfId];
 
 /**
- * Supported Authenticated Encryption with Associated Data (AEAD) identifiers.
+ * The supported Authenticated Encryption with Associated Data (AEAD) identifiers.
  *
  * @deprecated Use {@link AeadId} instead.
  */
@@ -85,18 +85,18 @@ export const Aead = {
 } as const;
 
 /**
- * The type of the supported AEAD identifiers.
+ * The type alias of the supported AEAD identifiers.
  *
  * @deprecated Use {@link AeadId} instead.
  */
 export type Aead = typeof Aead[keyof typeof Aead];
 
 /**
- * Supported Authenticated Encryption with Associated Data (AEAD) identifiers.
+ * The supported Authenticated Encryption with Associated Data (AEAD) identifiers.
  */
 export const AeadId = Aead;
 
 /**
- * The type of the supported AEAD identifiers.
+ * The type alias of the supported AEAD identifiers.
  */
 export type AeadId = typeof AeadId[keyof typeof AeadId];