cocoa.txt in sgl-1.0.0

- old
+ new

@@ -5,21 +5,19 @@
 'sgl-cocoa' is a cocoa version of sgl.
 You can use sgl functions with Ruby/Cocoa.
 
 h2. Requirement
 
-You can use this only on Mac OS X.
+You can use sgl-cocoa only on Mac OS X.
 
-h3. Mac OS X
-
 * Mac OS X 10.3 or later
 * ruby 1.8.5 or later
 * RubyCocoa 0.4.1 or later
 
 h2. The basics
 
-Save this progarm as @test1.rb@.
 <pre syntax="ruby">
+# test1.rb
 require "sgl/cocoa"
 
 def setup
   window 100, 100
 end