diff --git a/README.md b/README.md
index 86a4374..f97b848 100644
--- a/README.md
+++ b/README.md
@@ -66,7 +66,7 @@ Rails/ShortI18n:
 Add this line to your application's Gemfile:
 
 ```ruby
-gem 'ruboclean', require: false
+gem "ruboclean", require: false
 ```
 
 And then execute: