diff --git a/CHANGELOG.md b/CHANGELOG.md
index 775b6c6..c4966c1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -20,6 +20,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 - Fixed ditto marks (") appearing in the ae7q call command.
 - Fixed issue where incorrect table was parsed in ae7q call command.
 - Fixed warning emoji reaction on messages starting with "??".
+- Fixed issue where `prefixes` would error when given an invalid argument.
 
 
 ## [2.1.0] - 2020-01-04