diff --git a/appengine/flexible/cloudsql/app.yaml b/appengine/flexible/cloudsql/app.yaml
index ea5e13a4078..cf75065c4bc 100644
--- a/appengine/flexible/cloudsql/app.yaml
+++ b/appengine/flexible/cloudsql/app.yaml
@@ -10,12 +10,12 @@ env_variables:
     # Replace user, password, database, project, and instance with the values obtained
     # when configuring your Cloud SQL instance.
     SQLALCHEMY_DATABASE_URI: >-
-      mysql+pymysql://USER:PASSWORD@/DATABASE?unix_socket=/cloudsql/PROJECT:us-central1:INSTANCE
+      mysql+pymysql://USER:PASSWORD@/DATABASE?unix_socket=/cloudsql/PROJECT:REGION:INSTANCE
 #[END env]
 
 #[START cloudsql_settings]
 # Replace project and instance with the values obtained  when configuring your
 # Cloud SQL instance.
 beta_settings:
-    cloud_sql_instances: PROJECT:us-central1:INSTANCE
+    cloud_sql_instances: PROJECT:REGION:INSTANCE
 #[END cloudslq_settings]