diff --git a/mmv1/third_party/terraform/website/docs/r/sql_database_instance.html.markdown b/mmv1/third_party/terraform/website/docs/r/sql_database_instance.html.markdown
index 29b00058cdf3..0a75b287a82d 100644
--- a/mmv1/third_party/terraform/website/docs/r/sql_database_instance.html.markdown
+++ b/mmv1/third_party/terraform/website/docs/r/sql_database_instance.html.markdown
@@ -539,7 +539,7 @@ This setting can be updated, but it cannot be removed after it is set.
 
 * `ssl_mode` - (Optional) Specify how SSL connection should be enforced in DB connections. Supported values are `ALLOW_UNENCRYPTED_AND_ENCRYPTED`, `ENCRYPTED_ONLY`, and `TRUSTED_CLIENT_CERTIFICATE_REQUIRED` (not supported for SQL Server). See [API reference doc](https://cloud.google.com/sql/docs/postgres/admin-api/rest/v1/instances#ipconfiguration) for details.
 
-* `server_ca_mode` - (Optional) Specify how the server certificate's Certificate Authority is hosted. Supported values are `GOOGLE_MANAGED_INTERNAL_CA` and `GOOGLE_MANAGED_CAS_CA`.
+* `server_ca_mode` - (Optional) Specify how the server certificate's Certificate Authority is hosted. Supported values are `GOOGLE_MANAGED_INTERNAL_CA`, `GOOGLE_MANAGED_CAS_CA`, and `CUSTOMER_MANAGED_CAS_CA`.
 
 * `server_ca_pool` - (Optional) The resource name of the server CA pool for an instance with `CUSTOMER_MANAGED_CAS_CA` as the `server_ca_mode`.