Tabs to spaces, small bit of cleanup

README.md

@@ -1,5 +1,4 @@
-wetness
-=======
+# wetness
 
 `wetness` is a `bash` script for checking a CSS file for duplicate properties.
 Just like [Ellie Kemper][BJ], the aim of this script is to help make it DRY.
@@ -8,15 +7,19 @@ This script utilizes associative arrays in `bash` which requires version 4 or
 better. OSX is still shipping with version 3.2 but you can easily upgrade to
 4.2 with `brew install bash`.
 
-  [BJ]: http://www.collegehumor.com/video/1183463/derrick-comedy-blowjob
-
 ## Usage
 
-	./wetness /path/to/file.css
+```sh
+./wetness /path/to/file.css
+```
 
 ## Installation
 
 ### OSX via Homebrew
 
-	brew tap joshtronic/homebrew-formulae
-	brew install wetness
+```sh
+brew tap joshtronic/homebrew-formulae
+brew install wetness
+```
+
+  [BJ]: http://www.collegehumor.com/video/1183463/derrick-comedy-blowjob