Clarify readme example

Author: EvenAR

README.md

@@ -37,13 +37,18 @@ open('My SimConnect client', Protocol.FSX_SP2)
     .then(function ({ recvOpen, handle }) {
         console.log('Connected to', recvOpen.applicationName);
 
+        // 1. Subscribe for pause event
+        handle.subscribeToSystemEvent(EVENT_ID_PAUSE, 'Pause');
+
+        // 2. Handle pause event 
         handle.on('event', function (recvEvent) {
             switch (recvEvent.clientEventId) {
                 case EVENT_ID_PAUSE:
                     console.log(recvEvent.data === 1 ? 'Sim paused' : 'Sim unpaused');
                     break;
             }
         });
+
         handle.on('exception', function (recvException) {
             console.log(recvException);
         });
@@ -54,7 +59,6 @@ open('My SimConnect client', Protocol.FSX_SP2)
             console.log('Connection closed unexpectedly (simulator CTD?)');
         });
 
-        handle.subscribeToSystemEvent(EVENT_ID_PAUSE, 'Pause');
     })
     .catch(function (error) {
         console.log('Connection failed:', error);