Add a dot

README.md

@@ -787,7 +787,7 @@ Please take a quick gander at the [contribution guidelines](https://github.com/a
 
 * [go-appindicator](https://github.com/dawidd6/go-appindicator) - Go bindings for libappindicator3 C library.
 * [gosx-notifier](https://github.com/deckarep/gosx-notifier) - OSX Desktop Notifications library for Go.
-* [mac-sleep-notifier](https://github.com/prashantgupta24/mac-sleep-notifier) - OSX Sleep/Wake notifications in golang
+* [mac-sleep-notifier](https://github.com/prashantgupta24/mac-sleep-notifier) - OSX Sleep/Wake notifications in golang.
 * [robotgo](https://github.com/go-vgo/robotgo) - Go Native cross-platform GUI system automation. Control the mouse, keyboard and other.
 * [systray](https://github.com/getlantern/systray) - Cross platform Go library to place an icon and menu in the notification area.
 * [trayhost](https://github.com/shurcooL/trayhost) - Cross-platform Go library to place an icon in the host operating system's taskbar.