Update tutorials links README.md

README.md

@@ -74,7 +74,7 @@ laptop.
 - [The entire Pro Git book](http://git-scm.com/book) on the official [Git
   website](http://git-scm.com/)
 - [Ry's Git Tutorial](http://rypress.com/tutorials/git/index.html)
-- [Git tutorials at Atlassian](https://www.atlassian.com/git/tutorial)
+- [Git tutorials at Atlassian](https://www.atlassian.com/git/tutorials)
 - [Learn Git Branching](http://pcottle.github.io/learnGitBranching/)
 - [Git cheat sheet](https://git.wiki.kernel.org/index.php/GitCheatSheet)
   (useful for printing)