README.md in mjit-0.1.0 vs README.md in mjit-0.2.0

@@ -1,6 +1,6 @@
-# MJIT
+# mjit.gem - RubyVM::MJIT.disable
 
 This is unofficial. Own your risk!
 
 ## Installation
 
@@ -20,10 +20,14 @@
 
 ## Usage
 
 When you use this gem, you must start Ruby with --jit. Otherwise it segfaults.
 
+This gem adds following interfaces.
+
 ```rb
+require 'mjit'
+
 # This stops MJIT's internal profiler. Actually this doesn't stop MJIT compilation.
 RubyVM::MJIT.disable
 
 # This enables it again.
 RubyVM::MJIT.enable