Update articles/communication-services/how-tos/calling-sdk/CallKit-Integration.md

Co-authored-by: Luciano Almeida <[email protected]>

Author: raosanat

articles/communication-services/how-tos/calling-sdk/CallKit-Integration.md

@@ -85,7 +85,7 @@
 
   ### Configure audio session
 
-  Configure audio session will be called before placing or accepting incoming call and bfore resuming the call after it has been put on hold.
+  Configure audio session will be called before placing or accepting incoming call and before resuming the call after it has been put on hold.
 
   ```Swift
   callKitOptions.configureAudioSession = self.configureAudioSession