[from now] 2014/11/18 13:45:32

diff --git a/Gemfile b/Gemfile
index 510832b..b6ea0f2 100644
--- a/Gemfile
+++ b/Gemfile
@@ -64,4 +64,5 @@ end

 group :doc do
   gem 'yard', require: false
+  gem 'sdoc', require: false
 end