Fix typo, and move the deprecated tag further down to fix doc build

include/linphone/core_utils.h

@@ -147,10 +147,10 @@ LINPHONE_PUBLIC void linphone_core_activate_audio_session(LinphoneCore* core, bo
 LINPHONE_PUBLIC void linphone_core_enable_callkit (LinphoneCore* core, bool_t enabled);
 
 /**
- * @Deprecated : now handled in the linphone SDK directly
  * Special function to indicate if the audio route is changed. Must be called in the callback of AVAudioSessionRouteChangeNotification.
  * @param core The #LinphoneCore object. @notnil
  * @ingroup IOS
+ * @deprecated 07/01/2020 now handled in the linphone SDK directly
 */
 LINPHONE_DEPRECATED LINPHONE_PUBLIC void linphone_core_audio_route_changed (LinphoneCore *core);