diff -r e54e41554529 -r 164ec37e9e4b QTfrontend/sdlkeys.cpp
--- a/QTfrontend/sdlkeys.cpp	Mon Jan 14 12:35:32 2019 -0500
+++ b/QTfrontend/sdlkeys.cpp	Mon Jan 14 19:26:24 2019 +0100
@@ -197,6 +197,6 @@
 char controllerleft[128] = QT_TRANSLATE_NOOP("binds (keys)", "Left");
 char controllerright[128] = QT_TRANSLATE_NOOP("binds (keys)", "Right");
 
-//: When a control has no key binding
-char unboundcontrol[128] = QT_TRANSLATE_NOOP("binds (keys)", "(Unused)");
+//: Special entry in key selection when an action has no control assigned
+char unboundcontrol[128] = QT_TRANSLATE_NOOP("binds (keys)", "(Don't use)");