fix typos in "Cross-profile shared clipboard" settings UI

Author: FID02

res/values/strings_ext.xml

@@ -234,12 +234,12 @@ This method can be particularly useful when GNSS is unavailable or unreliable, s
     <string name="cross_profile_clipboard_access_allow_export_defaults_summary">Allow system defaults sharing the clipboard to the parent user and its other child profiles.</string>
     <string name="cross_profile_clipboard_access_disallow_title">Disallowed</string>
     <string name="cross_profile_clipboard_access_disallow_summary">Disallow sharing the clipboard from and to the parent user and its other child profiles.</string>
-    <string name="cross_profile_clipboard_access_footer">This setting provides option for users
+    <string name="cross_profile_clipboard_access_footer">This setting provides an option for users
         to allow or disallow sharing clipboard to and from other profiles of the same parent user including itself.
         Once disallowed, future clipboard content updates between user profiles of the same parent user,
         such as between private space profile and parent user, or between private space profile and work profile,
         will not be accessible. Clipboard contents shared with other profiles prior to selecting a
-        stricter options remain accessible until clipboard contents have been updated.
+        stricter option remain accessible until clipboard contents have been updated.
     </string>
 
     <string name="ps_disallow_delayed_locking_title">End session immediately on lock</string>