diff --git a/README.md b/README.md
index b0360d0..dad16e9 100644
--- a/README.md
+++ b/README.md
@@ -43,4 +43,4 @@ Possible formats of puzzle markers:
 ```
 
 Read this article about
-[Puzzle Drive Development](http://www.yegor256.com/2009/03/04/pdd.html).
+[Puzzle Driven Development](http://www.yegor256.com/2009/03/04/pdd.html).