Update changelog.

Author: andreibancioiu

CHANGELOG.md

@@ -7,6 +7,9 @@ Check [Keep a Changelog](http://keepachangelog.com/) for recommendations on how
 ## Unreleased
  - TBD
 
+## [9.2.5]
+ - [Add extra type for known-length arrays.](https://github.com/ElrondNetwork/elrond-sdk-erdjs/pull/205)
+
 ## [9.2.4]
  - [Hardcode class names for classes within erdjs' typesystem.](https://github.com/ElrondNetwork/elrond-sdk-erdjs/pull/164)