Update CHANGELOG.md

Co-authored-by: Daniel (dB.) Doubrovkine <[email protected]>

Author: markokajzer

CHANGELOG.md

@@ -3,7 +3,7 @@
 ### 2.2.1 (Next)
 
 * Your contribution here.
-* [#180](https://github.com/slack-ruby/slack-ruby-bot-server/pull/180): grape v3 compatibility - [@markokajzer](https://github.com/markokajzer).
+* [#180](https://github.com/slack-ruby/slack-ruby-bot-server/pull/180): Add support for Grape v3 - [@markokajzer](https://github.com/markokajzer).
 
 ### 2.2.0 (2025/09/22)