Fixed typo in Rails::Generators::Base [#5051 state:resolved]

railties/lib/rails/generators/actions.rb

@@ -267,7 +267,7 @@ def freeze!(args={})
         ActiveSupport::Deprecation.warn "freeze! is deprecated since your rails app now comes bundled with Rails by default, please check your Gemfile"
       end
 
-      # Make an entry in Rails routing file conifg/routes.rb
+      # Make an entry in Rails routing file config/routes.rb
       #
       # === Example
       #