update docs

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

@@ -747,6 +747,8 @@ 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.
+
 ### Call type configuration
 
 You can configure all calls to have a default max duration, this can be done from the Dashboard (Call Type Settings) or using the API.