diff --git a/doc/prefixing.md b/doc/prefixing.md
index 28610d8..0caa714 100644
--- a/doc/prefixing.md
+++ b/doc/prefixing.md
@@ -17,7 +17,8 @@ The server will only detect the first word
 ↗️ PRIVMSG foo: this is a very cool message
 ↙️ :server 401 nick foo: :No such nick/channel
 ```
-The server will think that the target (or whatever is before the content) ends with a colon.
+The server will think that the target (or whatever is before the content) ends with a colon.  
+For more info on error 401, see [No such nick/channel](nosuchnick.md)
 
 
 ✅ Here's what it should do: