docs: update CHANGELOG

Author: probil

CHANGES.md

@@ -4,9 +4,14 @@ New Grammars:
 
 - added 3rd party Aiken grammar to SUPPORTED_LANGUAGES [Josh Marchand][]
 
+Core Grammars:
+- enh(csp) add missing directives / keywords from MDN (7 more) [Max Liashuk][]
+
 CONTRIBUTORS
 [Josh Marchand][https://github.com/yHSJ]
 
+[Max Liashuk]: https://github.com/probil
+
 ## Version 11.11.1
 
 - Fixes regression with Rust grammar.