Break up a long line

js/background.js

@@ -185,7 +185,10 @@
                 });
 
                 if (message.get('sent_at') > conversation.get('timestamp')) {
-                    conversation.set({ timestamp: message.get('sent_at'), lastMessage: message.get('body') });
+                    conversation.set({
+                        timestamp: message.get('sent_at'),
+                        lastMessage: message.get('body')
+                    });
                 }
 
                 conversation.save().then(function() {