diff --git a/free-programming-books-ru.md b/free-programming-books-ru.md
index 527ea8601f113b9ef8f04d8e210f20b94aedab94..f243e96958b1a5b46d0ed2bc2d1d3e024373e04a 100644
--- a/free-programming-books-ru.md
+++ b/free-programming-books-ru.md
@@ -10,7 +10,7 @@
 * [LaTeX](#latex)
 * [Lisp](#lisp)
 * [MetaPost](#metapost)
-* [Node.js](#node.js)
+* [Node.js](#nodejs)
 * [NoSQL](#nosql)
 * [Perl](#perl)
 * [R](#r)