hotkeys interface supports both string and string[] for combos

angular-hotkeys/angular-hotkeys-tests.ts

@@ -22,4 +22,9 @@ hotkeyProvider.bindTo(scope)
 		description: 'blah blah',
 		callback: function() {}
 	});
+	.add({
+		combo: ['w', 'mod+w'],
+		description: 'blah blah',
+		callback: function() {}
+	});
 

angular-hotkeys/angular-hotkeys.d.ts

@@ -40,7 +40,7 @@ declare module ng.hotkeys {
     }
 
     interface Hotkey {
-        combo: string;
+        combo: string | string[];
         description?: string;
         callback: (event: Event, hotkey: ng.hotkeys.Hotkey) => void;
         action?: string;