diff --git a/include/grpcpp/security/tls_credentials_options.h b/include/grpcpp/security/tls_credentials_options.h
index ba7ac469b8b..e7265143159 100644
--- a/include/grpcpp/security/tls_credentials_options.h
+++ b/include/grpcpp/security/tls_credentials_options.h
@@ -262,5 +262,6 @@ class TlsCredentialsOptions {
 
 } // namespace experimental
 } // namespace grpc_impl
-#endif /** GRPCPP_SECURITY_TLS_CREDENTIALS_OPTIONS_H **/
+
+#endif // GRPCPP_SECURITY_TLS_CREDENTIALS_OPTIONS_H