docs(changelog): explain change more clearly

Author: siemdejong

src/lightning/fabric/CHANGELOG.md

@@ -14,7 +14,7 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 
 ### Changed
 
-- Increased minimum `fsspec` version from 2022.5.0 to 2025.3.3 ([#20780](https://github.com/Lightning-AI/pytorch-lightning/pull/20780))
+- Allow cross-device local checkpoints with `fsspec>=2025.5.0` ([#20780](https://github.com/Lightning-AI/pytorch-lightning/pull/20780))
 
 
 ### Removed

src/lightning/pytorch/CHANGELOG.md

@@ -14,7 +14,7 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 
 ### Changed
 
-- Increased minimum `fsspec` version from 2022.5.0 to 2025.3.3 ([#20780](https://github.com/Lightning-AI/pytorch-lightning/pull/20780))
+- Allow cross-device local checkpoints with `fsspec>=2025.5.0` ([#20780](https://github.com/Lightning-AI/pytorch-lightning/pull/20780))
 
 ### Removed