diff --git a/doc/formatting.md b/doc/formatting.md
index f11c4f3..f172d67 100644
--- a/doc/formatting.md
+++ b/doc/formatting.md
@@ -19,5 +19,4 @@ It's quite simple on client-side, but server-side has to supply more info:
 > ↗️ COMMAND: content
 > ↙️ :server 421 nick COMMAND: :Unknown command
 > ```
-> For more info on 421, see [Not Found](notfound.md)
 > For more info on colon prefixes, see [Content Prefixing](prefixing.md)
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