s/displayed/not displayed

Author: jgeralnik

README.md

@@ -25,7 +25,7 @@ The above will result in this:<br/>
 or this<br/>
 ![offline indicator](/screenshots/offline_indicator.png)<br/>
 
-On linux the emoji is displayed, instead it will look like this:<br/>
+On linux the emoji is not displayed, instead it will look like this:<br/>
 ![online indicator](/screenshots/online_indicator_linux.png)<br/>
 or this<br/>
 ![offline indicator](/screenshots/offline_indicator_linux.png)<br/>