diff --git a/README.md b/README.md
index 2637afd..9272802 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,7 @@
 # backlog
 
-A page that shows my entire backlog of video games.
\ No newline at end of file
+A page that shows my entire backlog of video games.
+
+## Note for GitHub viewers
+
+This is a read-only mirror of [bye/backlog on my Forgejo instance](https://git.byecorps.com/bye/backlog). If you wish to contribute, please go through there instead.