chore: Update README.md (#1435)

README.md

@@ -95,7 +95,8 @@ There are several ways you can get Shaka Packager.
 - [Announcement List](https://groups.google.com/forum/#!forum/shaka-packager-users)
   (join for infrequent announcements and surveys)
 - Subscribe to releases by following
-  [instructions from this blog](https://www.jessesquires.com/blog/2020/07/30/github-tip-watching-releases/)- [Documentation](https://shaka-project.github.io/shaka-packager/html/)
+  [instructions from this blog](https://www.jessesquires.com/blog/2020/07/30/github-tip-watching-releases/)
+- [Documentation](https://shaka-project.github.io/shaka-packager/html/)
 - [Tutorials](https://shaka-project.github.io/shaka-packager/html/tutorials/tutorials.html)
 - Several open source players:
   - [DASH and HLS on Web: Shaka Player](https://github.com/shaka-project/shaka-player)