Update CHANGELOG.md

Co-authored-by: JustaSqu1d <[email protected]>
Signed-off-by: Lala Sabathil <[email protected]>

Author: Lulalaby

CHANGELOG.md

@@ -146,7 +146,7 @@ These changes are available on the `master` branch, but have not yet been releas
   ([#2843](https://github.com/Pycord-Development/pycord/pull/2843))
 - Fixed `TypeError` when using `@option` with certain annotations and along with
   `channel_types`. ([#2835](https://github.com/Pycord-Development/pycord/pull/2835))
-- Fixed type hint for `PermissionOverwrite.update`
+- Fixed type-hinting for `PermissionOverwrite.update`.
   ([#2878](https://github.com/Pycord-Development/pycord/pull/2878))
 - Fixed `AttributeError` when accessing `AuditLogEntry.changes` more than once.
   ([#2882])(https://github.com/Pycord-Development/pycord/pull/2882))