Update readme

battery-widget/README.md

@@ -4,7 +4,8 @@ Simple and easy-to-install widget for Awesome Window Manager.
 This widget consists of 
 
  - an icon which shows the battery level: ![Battery Widget](./bat-wid-1.png)
- - a pop-up window, which shows up when you hover over an icon: ![Battery Widget](./bat-wid-2.png)
+ - a pop-up window, which shows up when you hover over an icon: ![Battery Widget](./bat-wid-2.png). 
+ Alternatively you can use a tooltip: ![Battery Widget](./bat-wid-22.png)
  - a pop-up warning message which appears on bottom right corner when battery level is less that 15%: ![Battery Widget](./bat-wid-3.png) 
 
 Note that widget uses the Arc icon theme, so it should be [installed](https://github.com/horst3180/arc-icon-theme#installation) first under **/usr/share/icons/Arc/** folder.