--- a/UI/UserInterface.py	Mon Oct 09 19:06:46 2017 +0200
+++ b/UI/UserInterface.py	Tue Oct 10 19:05:00 2017 +0200
@@ -1425,7 +1425,7 @@
             self.tr('&Shell'),
             QKeySequence(self.tr("Alt+Shift+S")),
             0, self,
-            'interprter_shell_activate')
+            'interpreter_shell_activate')
         self.shellActivateAct.setStatusTip(self.tr(
             "Switch the input focus to the Shell window."))
         self.shellActivateAct.setWhatsThis(self.tr(