Merge pull request rspec#1526 from eliotsykes/favor-https-over-git-pr…

…otocol

Favor https: over git: protocol remotes

README.md

@@ -20,7 +20,7 @@ RSpec repos as well. Add the following to your `Gemfile`:
 
 ```ruby
 %w[rspec-core rspec-expectations rspec-mocks rspec-rails rspec-support].each do |lib|
-  gem lib, :git => "git://github.com/rspec/#{lib}.git", :branch => 'master'
+  gem lib, :git => "https://github.com/rspec/#{lib}.git", :branch => 'master'
 end
 ```