diff --git a/README.md b/README.md
index 156c6f9..2f8a20e 100644
--- a/README.md
+++ b/README.md
@@ -14,7 +14,7 @@ Installing jemalloc separately from Ruby is pain in some cases (e.g. Heroku, Eng
 
 # Install
 
-Install `jemalloc` gem in your application. For [bundler](http://gembundler.com/) based application, please add the following line into your Gemfile, and and install `jemalloc` by `bundle install`.
+Install `jemalloc` gem in your application. For [bundler](http://gembundler.com/) based application, please add the following line into your Gemfile, and install `jemalloc` by `bundle install`.
 
     gem 'jemalloc'