1.1 --- a/src/sync_api.h	Thu Jan 30 17:40:21 2020 +0100
     1.2 +++ b/src/sync_api.h	Thu Jan 30 19:08:41 2020 +0100
     1.3 @@ -128,7 +128,7 @@
     1.4  //      executed
     1.5  //
     1.6  //      when execution of the sync state machine ends a call to
     1.7 -//      unregister_sync_callbacks() is required
     1.8 +//      unregister_sync_callbacks() is recommended
     1.9  
    1.10  DYNAMIC_API PEP_STATUS register_sync_callbacks(
    1.11          PEP_SESSION session,