fix changelog.md (#270)

CHANGELOG.md

@@ -5,20 +5,18 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [Unreleased](https://github.com/near/read-rpc/compare/v0.2.9...HEAD)
+## [Unreleased](https://github.com/near/read-rpc/compare/main...develop)
 
-## [0.2.9](https://github.com/near/read-rpc/releases/tag/v0.2.8)
+## [0.2.9](https://github.com/near/read-rpc/releases/tag/v0.2.9)
 ### Supported Nearcore Version
 - nearcore v1.39.1
 - rust v1.77.0
 
 ### What's Changed
 * Refactoring, extending and improving the metrics
-* Refactoring and improving query.function_call
+* Refactoring and improving `query.call_function`
 * Added `view_receipt_record` rpc endpoint
 
-
-
 ## [0.2.8](https://github.com/near/read-rpc/releases/tag/v0.2.8)
 ### Supported Nearcore Version
 - nearcore v1.39.1