fix: add note about Rotating RTs

Author: pmalouin

call-apis-on-users-behalf/others-api/langchain-react-spa-js/README.md

@@ -105,7 +105,7 @@ Auth0's Token Vault enables the LangGraph API to exchange a SPA's access token f
      - **Allowed Callback URLs**: `http://localhost:5173`
      - **Allowed Logout URLs**: `http://localhost:5173`
      - **Allowed Web Origins**: `http://localhost:5173`
-     - Enable "Allow Refresh Token Rotation"
+     - Enable "Allow Refresh Token Rotation" (needed to use multi-resource refresh tokens)
      - Enable "Refresh Token" in Grant Types under Advanced Settings
 
 2. **Create an Auth0 API** (representing your LangGraph API):

call-apis-on-users-behalf/others-api/vercel-react-spa-js/README.md

@@ -58,7 +58,7 @@ You will need the following prerequisites to run this app:
      - **Allowed Callback URLs**: `http://localhost:5173`
      - **Allowed Logout URLs**: `http://localhost:5173`
      - **Allowed Web Origins**: `http://localhost:5173`
-     - Enable "Allow Refresh Token Rotation"
+     - Enable "Allow Refresh Token Rotation" (needed to use multi-resource refresh tokens)
      - Enable "Refresh Token" in Grant Types under Advanced Settings
 
 2. Create an Auth0 API (representing your back-end API):