diff --git a/docs/agents/models/apigee.md b/docs/agents/models/apigee.md
index 1ec45bfac..6d142c0c3 100644
--- a/docs/agents/models/apigee.md
+++ b/docs/agents/models/apigee.md
@@ -43,7 +43,9 @@ Integrate Apigee's governance into your agent's workflow by instantiating the
         # The proxy URL of your deployed Apigee proxy including the base path
         proxy_url=f"https://{APIGEE_PROXY_URL}",
         # Pass necessary authentication/authorization headers (like an API key)
-        custom_headers={"foo": "bar"}
+        custom_headers={"foo": "bar"},
+        # Optional: Pass google-auth credentials if the proxy requires additional OAuth scopes
+        # credentials=my_credentials
     )
 
     # Pass the configured model wrapper to your LlmAgent