Update README.md

Author: Curtis Liu

README.md

@@ -62,9 +62,9 @@ You can configure Amplitude by passing an object as the third argument to the `i
       saveEvents: true
     })
 
-| option     | description                                                                      | default   |
+| option | description | default |
 |------------|----------------------------------------------------------------------------------|-----------|
-| saveEvents | If `true`, saves events to localStorage and removes them upon successful upload. | `true`    |
+| saveEvents | If `true`, saves events to localStorage and removes them upon successful upload.<br><i>NOTE:</i> Without saving events, events may be lost if the user loses internet connectivity or navigates to another page before events are uploaded. | `true` |
 
 
 # Advanced #