README.md in mem-0.0.1 vs README.md in mem-0.0.2

@@ -5,11 +5,11 @@
 ```
 gem install mem
 ```
 
 ## Usage
-```
+```ruby
 class Foo
   extend Mem
 
   def initialize
     @count = 0
@@ -18,10 +18,10 @@
   def bar
     baz
   end
 
   # `memoize` defines bar_with_memoize & bar_without_memoize,
-  # and the result of 1st method call is stored into @bar.
+  # and the result of the 1st method call is stored into @bar.
   memoize :bar
 
   private
 
   def baz