Update README.md

Author: amacneil

README.md

@@ -9,7 +9,7 @@ For full documentation, see [the ROS wiki](http://ros.org/wiki/web_video_server)
 [Doxygen](http://docs.ros.org/indigo/api/web_video_server/html/) files can be found on the ROS wiki.
 [mjpegcanvasjs](https://github.com/rctoris/mjpegcanvasjs) can be used to display a MJPEG stream from the ROS web_video_server
 
-This project is released as part of the [Robot Web Tools](http://robotwebtools.org/) effort.
+This project is released as part of the [Robot Web Tools](https://robotwebtools.github.io/) effort.
 
 ### License
 web_video_server is released with a BSD license. For full terms and conditions, see the [LICENSE](LICENSE) file.