Merge pull request #67 from tenpeoplemeet/patch-1

Fixed typo in README

README.md

@@ -12,7 +12,7 @@ Command line apps are usually so tiny that there is absolutely no reason why you
 This is where cli.go comes into play. cli.go makes command line programming fun, organized, and expressive!
 
 ## Installation
-Make sure you have the a working Go environment (go 1.1 is *required*). [See the install instructions](http://golang.org/doc/install.html).
+Make sure you have a working Go environment (go 1.1 is *required*). [See the install instructions](http://golang.org/doc/install.html).
 
 To install cli.go, simply run:
 ```