README.md in profound-0.0.4 vs README.md in profound-0.0.5

@@ -2,10 +2,11 @@
 
 Create wallpapers like those on [theprofoundprogrammer](http://theprofoundprogrammer.com) even if you're aweful at Photoshop. It's based on *ImageMagick*.
 
 ## Installation
 
+    $ brew install ghostscript
     $ brew install imagemagick
     $ gem install profound
 
 ## Usage
 
@@ -15,10 +16,10 @@
 
     $ profound --search-size=2880x1800 "road at night" "I hate cars" ~/profound-cars.jpg
 
 The source can also be omitted altogether. In that case, `profound` will search for images.
 
-    $ profound "Something ironic", ~/profound-ironic.jpg
+    $ profound "Something ironic" ~/profound-ironic.jpg
 
 ## Contributing
 
 1. Fork it
 2. Create your feature branch (`git checkout -b my-new-feature`)