Update CHANGELOG.md

Co-authored-by: plun1331 <plun1331@gmail.com>
Signed-off-by: Flavien F <65244389+UnBonWhisky@users.noreply.github.com>

Author: UnBonWhisky

CHANGELOG.md

@@ -14,7 +14,7 @@ These changes are available on the `master` branch, but have not yet been releas
 
 - Support for **Python 3.14**.
   ([#2948](https://github.com/Pycord-Development/pycord/pull/2948))
-- Added `SharedClientTheme` support for sending client themes.
+- Added `SharedClientTheme` object for sending and receiving client themes.
   ([#3209](https://github.com/Pycord-Development/pycord/pull/3209))
 
 ### Changed