README.md in mem-0.0.2 vs README.md in mem-0.1.0

@@ -7,22 +7,22 @@
 ```
 
 ## Usage
 ```ruby
 class Foo
-  extend Mem
+  include Mem
 
   def initialize
     @count = 0
   end
 
   def bar
     baz
   end
 
   # `memoize` defines bar_with_memoize & bar_without_memoize,
-  # and the result of the 1st method call is stored into @bar.
+  # and the result of the 1st method call is stored into @memoized_table.
   memoize :bar
 
   private
 
   def baz
@@ -32,6 +32,9 @@
 
 foo = Foo.new
 foo.bar #=> 1
 foo.bar #=> 1
 foo.bar #=> 1
+foo.has_memoized?(:bar) #=> true
+foo.memoized(:bar) #=> 1
+foo.memoized_table #=> { bar: 1 }
 ```