Index: frontend/src/utils/types.ts
===================================================================
--- frontend/src/utils/types.ts	(revision 8ccb07eaee0e86c4db97ef4fa7b747503a6fc43d)
+++ frontend/src/utils/types.ts	(revision a5406e15fca40fca7cc5f6ddb05de390f713d71b)
@@ -78,4 +78,5 @@
 	};
 	author: string;
+	authorUsername: string;
 	grade: number;
 	comment: string;