Update FirebaseAuth/CHANGELOG.md

Author: ncooke3

FirebaseAuth/CHANGELOG.md

@@ -5,7 +5,7 @@
   `Auth.currentUser` API. This resolves some Firebase 11 issues where the
   current user is unexpectedly `nil` at startup.
 - [fixed] Restore Firebase 10 decoding behavior to prevent user provider data
-  from being always decoded as `nil` when reading Firebase 10 data. (#14011)
+  from always being decoded as `nil` when reading Firebase 10 data. (#14011)
 - [fixed] Restore Firebase 10 decoding behavior to prevent user provider data
   from being decoded as `nil` when a user has multiple linked providers. Note
   that this fix will not be in the 11.6.0 zip and Carthage distributions, but