diff --git a/packages/frontend-core/src/api/flags.ts b/packages/frontend-core/src/api/flags.ts
index 290cb92629..3a82ed3497 100644
--- a/packages/frontend-core/src/api/flags.ts
+++ b/packages/frontend-core/src/api/flags.ts
@@ -3,6 +3,8 @@ import { BaseAPIClient } from "./types"
 
 export interface FlagEndpoints {
   getFlags: () => Promise<Flags>
+
+  // Missing request or response types
   updateFlag: (flag: string, value: any) => Promise<{ message: string }>
   toggleUiFeature: (value: string) => Promise<{ message: string }>
 }