Merge pull request pugjs#2358 from staturecrane/master

fix typo in readme

Author: hemanth

README.md

@@ -1,6 +1,6 @@
 # [![Pug - Node Template Engine](https://cdn.rawgit.com/pugjs/pug-logo/3ea2d3a86c6227020dd5b20743a5aa458808ca4e/SVG/__pug-logo-colour-wide.svg)](http://jade-lang.com/)
 
-> Pug has been recently re-named from Jade.  The website and documentation is still being updated, but if you're new to pug, you should install the pug package on npm.
+> Pug has been recently re-named from Jade.  The website and documentation are still being updated, but if you're new to pug, you should install the pug package on npm.
 
 Full documentation is at [jade-lang.com](http://jade-lang.com/)