Fix typo in CHANGELOG regarding ask_codebase tool

Author: msukkari

CHANGELOG.md

@@ -8,7 +8,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ## [Unreleased]
 
 ### Changed
-- Require explicit invokation of ask_codebase tool in MCP [#995](https://github.com/sourcebot-dev/sourcebot/pull/995)
+- Require explicit invocation of ask_codebase tool in MCP [#995](https://github.com/sourcebot-dev/sourcebot/pull/995)
 - Gate MCP API behind authentication when Ask GitHub is enabled. [#994](https://github.com/sourcebot-dev/sourcebot/pull/994)
 
 ## [4.15.4] - 2026-03-11