diff --git a/Casks/rubymotion.rb b/Casks/rubymotion.rb
index 6555dc362d..098b253432 100644
--- a/Casks/rubymotion.rb
+++ b/Casks/rubymotion.rb
@@ -4,9 +4,18 @@ cask "rubymotion" do
 
   url "http://www.rubymotion.com/files/RubyMotion%20Installer.zip"
   name "RubyMotion"
+  desc "Write cross-platform native apps in Ruby"
   homepage "http://www.rubymotion.com/"
 
   installer manual: "RubyMotion Installer.app"
 
   uninstall pkgutil: "com.hipbyte.rubymotion.pkg"
+
+  zap trash: [
+    "~/.rubymotion",
+  ]
+
+  caveats do
+    free_license "http://www.rubymotion.com/download/starter/"
+  end
 end