diff --git a/README.rdoc b/README.rdoc
index 11cd71a..02d4993 100644
--- a/README.rdoc
+++ b/README.rdoc
@@ -27,9 +27,9 @@ The pagination helper outputs the HTML5 <nav> tag by default. Plus, the helper s
 
 == Supported versions
 
-* Ruby 1.8.7, 1.9.2, 1.9.3, 2.0 (trunk)
+* Ruby 1.8.7, 1.9.2, 1.9.3, 2.0.0, 2.1 (trunk)
 
-* Rails 3.0.x, 3.1, 3.2, 4.0 (edge)
+* Rails 3.0.x, 3.1, 3.2, 4.0, 4.1 (edge)
 
 * Haml 3+
 
diff --git a/kaminari.gemspec b/kaminari.gemspec
index a05dd8e..7dd2975 100644
--- a/kaminari.gemspec
+++ b/kaminari.gemspec
@@ -9,8 +9,8 @@ Gem::Specification.new do |s|
   s.authors     = ['Akira Matsuda']
   s.email       = ['ronnie@dio.jp']
   s.homepage    = 'https://github.com/amatsuda/kaminari'
-  s.summary     = 'A pagination engine plugin for Rails 3 or other modern frameworks'
-  s.description = 'Kaminari is a Scope & Engine based, clean, powerful, agnostic, customizable and sophisticated paginator for Rails 3'
+  s.summary     = 'A pagination engine plugin for Rails 3+ or other modern frameworks'
+  s.description = 'Kaminari is a Scope & Engine based, clean, powerful, agnostic, customizable and sophisticated paginator for Rails 3+'
 
   s.rubyforge_project = 'kaminari'