Advice for copying bootstrap ID

src/freedombone-app-tox

     fi
     bootstrap_id=$(cat $TOX_BOOTSTRAP_ID_FILE)
     dialog --title $"Tox Bootstrap Node" \
-           --msgbox $"$bootstrap_id" 6 70
+           --msgbox $"\n$bootstrap_id\n\nTo copy this hold down the shift key, select then right click and copy." 8 70
 }
 
 function mesh_tox_qtox {