diff --git a/ui (gen4)/features/keyboard.js b/ui (gen4)/features/keyboard.js
index dadcedf8..5eb1bac5 100755
--- a/ui (gen4)/features/keyboard.js	
+++ b/ui (gen4)/features/keyboard.js	
@@ -84,14 +84,15 @@ module.GLOBAL_KEYBOARD = {
 
 		// zooming...
 		'#1': 'fitScreen',
+		// XXX should these also be implemented in the same way as 4-9???
 		'#2': {
 			default: 'fitNormal',
-			'alt': 'setNormalScale',
+			'alt': 'setNormalScale -- Set current image size as normal',
 			'ctrl+shift': 'setNormalScale: null -- Reset normal size to default',
 		},
 		'#3': {
 			default: 'fitSmall',
-			'alt': 'setSmallScale',
+			'alt': 'setSmallScale -- Set current image size as small',
 			'ctrl+shift': 'setSmallScale: null -- Reset small size to default',
 		},
 		'#4': customScale(4),
diff --git a/ui (gen4)/features/ui.js b/ui (gen4)/features/ui.js
index 2622fbbc..333a3c76 100755
--- a/ui (gen4)/features/ui.js	
+++ b/ui (gen4)/features/ui.js	
@@ -748,7 +748,7 @@ module.ViewerActions = actions.Actions({
 
 	// Zooming...
 	//
-	// Zooming is done by multiplying the current scale by config['zoom-step']
+	// Zooming is done by multiplying the current scale by .config['zoom-step']
 	// and rounding to nearest discrete number of images to fit on screen.
 	zoomIn: ['Zoom/Zoom in',
 		function(){