chore(CHANGELOG): fix PR link

Author: sassman

CHANGELOG.md

@@ -6,7 +6,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 ### Added
-- Video output feature: (`--video` or `-m`) now additionally generates a (H.256) `.mp4` file parallel to the `.gif`. [pull/48](https://github.com/sassman/t-rec-rs/pull/48), [issues/45](https://github.com/sassman/t-rec-rs/issues/45), [fd600e0]
+- Video output feature: (`--video` or `-m`) now additionally generates a (H.256) `.mp4` file parallel to the `.gif`. [pull/49](https://github.com/sassman/t-rec-rs/pull/49), [issues/45](https://github.com/sassman/t-rec-rs/issues/45), [fd600e0]
 - Release ci pipeline now produces a debian package file and attaches it to the release [7e8ca49]
 - t-rec has now an own pixel art logo [e511731]
 - more installation hints for linux [7a1b152]