README fixed

README.markdown

@@ -13,16 +13,19 @@ In _Rails 3_ all dependencies should be defined in file _<Rails.root>.Gemfile_.
 
 2. If you need to override some of the default constants used in the application take a look at config/default_site.rb. Then create config/site.rb that contains only the keys which you want to override. Example content of config/site.rb is:
 
-`module CDF
+```ruby
+module CDF
 
 LOCALCONFIG = {
   :imap_server => 'your.imap.server'
 }
-end`
+end
+```
 
 3. Configure SMTP settings
 
-`# initializers/smtp_settings.rb
+```ruby
+# initializers/smtp_settings.rb
   ActionMailer::Base.smtp_settings = {
   :address => "mail.example.com.py",
   :port => 26,
@@ -30,7 +33,8 @@ end`
   :enable_starttls_auto => true,
   :user_name => "emilio@example.com.py",
   :password => "yourpass"
-}`
+}
+```
 
 4. Prepare config/database.yml file (see config/database.yml.example).
    Check if proper gems (sqlite3/mysql/postgresql) are defined in _Gemfile_ and installed.