Update README.md

Scrum · Scrum · commit 4c83f5393c74 · 2015-10-08T18:16:32.000+03:00
diff --git a/README.md b/README.md
@@ -87,7 +87,7 @@ $ npm install postcss-at-rules-variables
 ```
 
 ## Usage
-Use postcss-at-rules before you at-rules plugin
+Use postcss-at-rules-variables before you at-rules plugin
 
 ```js
 // dependencies
