README.md in rubocop-minitest-0.29.0 vs README.md in rubocop-minitest-0.30.0

@@ -8,12 +8,12 @@
 
 ## Installation
 
 Just install the `rubocop-minitest` gem
 
-```bash
-gem install rubocop-minitest
+```sh
+$ gem install rubocop-minitest
 ```
 
 or if you use bundler put this in your `Gemfile`
 
 ```ruby
@@ -44,11 +44,11 @@
 Now you can run `rubocop` and it will automatically load the RuboCop Minitest
 cops together with the standard cops.
 
 ### Command line
 
-```bash
-rubocop --require rubocop-minitest
+```sh
+$ rubocop --require rubocop-minitest
 ```
 
 ### Rake task
 
 ```ruby