diff --git a/src/google/adk/auth/auth_credential.py b/src/google/adk/auth/auth_credential.py
index 6160edcc02..27f0e878b0 100644
--- a/src/google/adk/auth/auth_credential.py
+++ b/src/google/adk/auth/auth_credential.py
@@ -245,8 +245,8 @@ class AuthCredential(BaseModelWithConfig):
   AuthCredential(
       auth_type=AuthCredentialTypes.OAUTH2,
       oauth2=OAuth2Auth(
-          client_id="1234",
-          client_secret="secret",
+          client_id="YOUR_CLIENT_ID",
+          client_secret="YOUR_CLIENT_SECRET",
       ),
   )
 
@@ -254,8 +254,8 @@ class AuthCredential(BaseModelWithConfig):
   AuthCredential(
       auth_type=AuthCredentialTypes.OPEN_ID_CONNECT,
       oauth2=OAuth2Auth(
-          client_id="1234",
-          client_secret="secret",
+          client_id="YOUR_CLIENT_ID",
+          client_secret="YOUR_CLIENT_SECRET",
           redirect_uri="https://example.com",
           scopes=["scope1", "scope2"],
       ),