diff --git a/books/free-programming-books-cs.md b/books/free-programming-books-cs.md
index 36fae89f5..a6ae3f08e 100644
--- a/books/free-programming-books-cs.md
+++ b/books/free-programming-books-cs.md
@@ -15,7 +15,7 @@
     * [Sítě](#site)
 * [LaTeX](#latex)
 * [Linux](#linux)
-  * [Distribuce](#distribuce)
+    * [Distribuce](#distribuce)
 * [OpenSource](#opensource)
 * [PHP](#php)
 * [Python](#python)