Update switchboard.en.md

docs/switchboard.en.md

@@ -19,7 +19,7 @@ The step of downloading texts from the TextGridRep and then uploading them back
 
 ## Starting the Switchboard
 
-To start the program, open a text and click switchboard on the left side of your screen (by clicking the blue _i_, you will get to this documentation):
+To start the program, open a text and click switchboard on the left side of your screen (by clicking the blue 🛈, you will get to this documentation):
 
 ![Link to the Switchboard](images/TODO.png) NEUER SCREENSHOT MIT ENGL. TEXT!