diff --git a/packages/element-web-module-api/element-web-module-api.api.md b/packages/element-web-module-api/element-web-module-api.api.md
index 3ebf946d32..bd4ccfc45e 100644
--- a/packages/element-web-module-api/element-web-module-api.api.md
+++ b/packages/element-web-module-api/element-web-module-api.api.md
@@ -355,11 +355,9 @@ export interface RoomListStoreApi {
 
 // @alpha
 export interface RoomViewProps {
-    // (undocumented)
     hideComposer?: boolean;
-    // (undocumented)
     hideHeader?: boolean;
-    // (undocumented)
+    hidePinnedMessageBanner?: boolean;
     hideRightPanel?: boolean;
 }
 
diff --git a/packages/element-web-module-api/src/api/builtins.ts b/packages/element-web-module-api/src/api/builtins.ts
index 84b7d62a7e..d5d66d1c4f 100644
--- a/packages/element-web-module-api/src/api/builtins.ts
+++ b/packages/element-web-module-api/src/api/builtins.ts
@@ -10,18 +10,22 @@ Please see LICENSE files in the repository root for full details.
  * @alpha Subject to change.
  */
 export interface RoomViewProps {
-    /*
+    /**
      * If true, the room header will be hidden.
      */
     hideHeader?: boolean;
-    /*
+    /**
      * If true, the message composer will be hidden.
      */
     hideComposer?: boolean;
-    /*
+    /**
      * If true, the right panel will be hidden.
      */
     hideRightPanel?: boolean;
+    /**
+     * If true, the pinned message banner will be hidden.
+     */
+    hidePinnedMessageBanner?: boolean;
 }
 
 /**