diff --git a/README.md b/README.md
index 5acdd49..8d8cc65 100644
--- a/README.md
+++ b/README.md
@@ -13,4 +13,6 @@ RAILS_ENV=production bundle exec rails assets:precompile
 
 # then become root
 sudo systemctl reload mastodon-web
-```
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+```
+
+custom-favicon.sh Source: https://github.com/mastodon/mastodon/discussions/20945#discussioncomment-4327413
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