diff --git a/custom/conf/app.example.ini b/custom/conf/app.example.ini
index 2dcbf66c8d7..a1462aa0499 100644
--- a/custom/conf/app.example.ini
+++ b/custom/conf/app.example.ini
@@ -2050,7 +2050,8 @@ LEVEL = Info
 ;; How Gitea deals with missing repository avatars
 ;; none = no avatar will be displayed; random = random avatar will be displayed; image = default image will be used
 ;REPOSITORY_AVATAR_FALLBACK = none
-;REPOSITORY_AVATAR_FALLBACK_IMAGE = /img/repo_default.png
+;; Image URL for the "image" fallback, used as-is, defaults to Gitea's builtin repository avatar
+;REPOSITORY_AVATAR_FALLBACK_IMAGE =
 ;;
 ;; Max Width and Height of uploaded avatars.
 ;; This is to limit the amount of RAM used when resizing the image.