Update 6.1-to-6.2.md

Added a few enters so markdown can process the code (without adding bash in front of it)

doc/update/6.1-to-6.2.md

@@ -60,11 +60,13 @@ git diff 6-1-stable:config/gitlab.yml.example 6-2-stable:config/gitlab.yml.examp
 * Make `/home/git/gitlab/config/gitlab.yml` same as https://github.com/gitlabhq/gitlabhq/blob/6-2-stable/config/gitlab.yml.example but with your settings.
 * Make `/home/git/gitlab/config/unicorn.rb` same as https://github.com/gitlabhq/gitlabhq/blob/6-2-stable/config/unicorn.rb.example but with your settings.
 * Copy rack attack middleware config
+
 ```bash
 sudo -u git -H cp config/initializers/rack_attack.rb.example config/initializers/rack_attack.rb
 ```
 * Uncomment `config.middleware.use Rack::Attack` in `/home/git/gitlab/config/application.rb`
 * Set up logrotate
+
 ```bash
 sudo cp lib/support/logrotate/gitlab /etc/logrotate.d/gitlab
 ```