update changelog wording

Author: tfeldmann

CHANGELOG.md

@@ -22,7 +22,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 - Fixed `fs.move.move_file` to clean up the copy on the destination in case of errors.
 - `fs.opener.manage_fs` with `writeable=True` will now raise a `ResourceReadOnly`
   exception if the managed filesystem is not writeable.
-- Mark `fs.wrap.WrapReadOnly` as read-only filesystem.
+- Marked filesystems wrapped with `fs.wrap.WrapReadOnly` as read-only.
 
 
 ## [2.4.15] - 2022-02-07