diff --git a/core/user.go b/core/user.go
index 11cb969..8aae933 100644
--- a/core/user.go
+++ b/core/user.go
@@ -515,6 +515,9 @@ func getUserFrequentTags(r *http.Request, ids string, category UserWorkCategory)
 	}
 
 	// Return early if there are no IDs
+	//
+	// NOTE: theoretically, this check should never be reached as fetchUserWorks doesn't call
+	// getUserFrequentTags when len(tagsIDs) == 0, instead returning an empty []FrequentTag
 	if ids == "" {
 		return tags, nil
 	}