diff --git a/hooks/useMessageLoader.ts b/hooks/useMessageLoader.ts
index e16b2b16c..ebdb88fcc 100644
--- a/hooks/useMessageLoader.ts
+++ b/hooks/useMessageLoader.ts
@@ -3,11 +3,12 @@ import { UIMessage } from "ai";
 import getChatMessages from "@/lib/messages/getChatMessages";
 
 /**
- * Hook for loading existing messages from a room
+ * Hook for loading existing messages from a room via the chats API (Bearer auth).
  * @param roomId - The room ID to load messages from (undefined to skip loading)
  * @param userId - The current user ID (messages won't load if user is not authenticated)
+ * @param accessToken - Privy access token for the API request
+ * @param apiOverride - Optional API base URL override (e.g. preview)
  * @param setMessages - Callback function to set the loaded messages
- * @returns Loading state and error information
  */
 export function useMessageLoader(
   roomId: string | undefined,