README.md in object_helper-0.1.0 vs README.md in object_helper-0.1.1

- old
+ new

@@ -20,10 +20,13 @@
 
     $ gem install object_helper
 
 ## Usage
 
-TODO: Write usage instructions here
+```ruby
+[[:a, "aaa"], [:b, "bbbb"], [:a, 1111], [:b, 222], [:c, 100]].to_hash_with_array
+# => {:a=>["aaa", 1111], :b=>["bbbb", 222], :c=>[100]}
+```
 
 ## Development
 
 After checking out the repo, run `bin/setup` to install dependencies. Then, run `rake spec` to run the tests. You can also run `bin/console` for an interactive prompt that will allow you to experiment.
 