diff --git a/rubygem-concurrent-ruby.spec b/rubygem-concurrent-ruby.spec
index a6bbe3c..b1d63d0 100644
--- a/rubygem-concurrent-ruby.spec
+++ b/rubygem-concurrent-ruby.spec
@@ -9,7 +9,7 @@ Group: Development/Languages
 License: MIT
 URL: http://www.concurrent-ruby.com
 Source0: https://rubygems.org/gems/%{gem_name}-%{version}.gem
-# git git clone https://github.com/ruby-concurrency/concurrent-ruby.git && cd concurrent-ruby
+# git clone https://github.com/ruby-concurrency/concurrent-ruby.git && cd concurrent-ruby
 # git checkout v1.0.0 && tar czvf concurrent-ruby-1.0.0-specs.tar.gz spec/
 Source1: %{gem_name}-%{version}-specs.tar.gz
 BuildRequires: ruby(release)