README.md in tapioca-0.1.3 vs README.md in tapioca-0.1.4

- old
+ new

@@ -7,10 +7,12 @@
 ## Installation
 
 Add this line to your application's `Gemfile`:
 
 ```ruby
-gem 'tapioca', '~> 0.1.2', require: false
+group :development do
+  gem 'tapioca', '~> 0.1.2', require: false
+end
 ```
 
 and do not forget to execute `tapioca` using `bundler`:
 
 ```shell