improve sentence

docusaurus/video/docusaurus/docs/api/basics/calls.mdx

@@ -747,7 +747,7 @@ await call.unpinVideo({
 You can limit the maximum duration for calls. This limit can be set for individual calls or set to a default value for all calls with the same type.
 When set, users will be automatically removed from a call when the time runs out and the call will be marked as ended.
 
-For proper session timer functionality, the `JoinEndedCall` permission on call level scope should be disabled.
+To ensure session timers work correctly, the `JoinEndedCall` permission should be disabled at the call level.
 
 ### Call type configuration