README.md in rspec-tracer-0.6.2 vs README.md in rspec-tracer-0.7.0

@@ -69,10 +69,10 @@
 
 ## Installation
 
 Add this line to your `Gemfile` and `bundle install`:
 ```ruby
-gem 'rspec-tracer', version: '~> 0.6', group: :test, require: false
+gem 'rspec-tracer', '~> 0.6', group: :test, require: false
 ```
 
 And, add the followings to your `.gitignore`:
 ```
 /rspec_tracer_cache/