diff --git a/bindings/wasm/src/did/wasm_core_document.rs b/bindings/wasm/src/did/wasm_core_document.rs
index 8f3234fdd9..0d75b7abc8 100644
--- a/bindings/wasm/src/did/wasm_core_document.rs
+++ b/bindings/wasm/src/did/wasm_core_document.rs
@@ -673,6 +673,8 @@ impl WasmCoreDocument {
   /// Unless the `kid` is explicitly set in the options, the `kid` in the protected header is the `id`
   /// of the method identified by `fragment` and the JWS signature will be produced by the corresponding
   /// private key backed by the `storage` in accordance with the passed `options`.
+  ///
+  /// The `custom_claims` can be used to set additional claims on the resulting JWT.
   #[wasm_bindgen(js_name = createCredentialJwt)]
   pub fn create_credential_jwt(
     &self,
diff --git a/bindings/wasm/src/iota/iota_document.rs b/bindings/wasm/src/iota/iota_document.rs
index b482091b48..e165769d7a 100644
--- a/bindings/wasm/src/iota/iota_document.rs
+++ b/bindings/wasm/src/iota/iota_document.rs
@@ -716,8 +716,11 @@ impl WasmIotaDocument {
   /// Produces a JWS where the payload is produced from the given `credential`
   /// in accordance with [VC Data Model v1.1](https://www.w3.org/TR/vc-data-model/#json-web-token).
   ///
-  /// The `kid` in the protected header is the `id` of the method identified by `fragment` and the JWS signature will be
-  /// produced by the corresponding private key backed by the `storage` in accordance with the passed `options`.
+  /// Unless the `kid` is explicitly set in the options, the `kid` in the protected header is the `id`
+  /// of the method identified by `fragment` and the JWS signature will be produced by the corresponding
+  /// private key backed by the `storage` in accordance with the passed `options`.
+  ///
+  /// The `custom_claims` can be used to set additional claims on the resulting JWT.
   #[wasm_bindgen(js_name = createCredentialJwt)]
   pub fn create_credential_jwt(
     &self,
@@ -750,8 +753,9 @@ impl WasmIotaDocument {
   /// Produces a JWT where the payload is produced from the given presentation.
   /// in accordance with [VC Data Model v1.1](https://www.w3.org/TR/vc-data-model/#json-web-token).
   ///
-  /// The `kid` in the protected header is the `id` of the method identified by `fragment` and the JWS signature will be
-  /// produced by the corresponding private key backed by the `storage` in accordance with the passed `options`.
+  /// Unless the `kid` is explicitly set in the options, the `kid` in the protected header is the `id`
+  /// of the method identified by `fragment` and the JWS signature will be produced by the corresponding
+  /// private key backed by the `storage` in accordance with the passed `options`.
   #[wasm_bindgen(js_name = createPresentationJwt)]
   pub fn create_presentation_jwt(
     &self,