diff --git a/free-programming-books.md b/free-programming-books.md
index 71f729701..d7f4b2714 100644
--- a/free-programming-books.md
+++ b/free-programming-books.md
@@ -9,7 +9,7 @@
 * [Assembly Language](#assembly-language)
 * [Bash](#bash)
 * [C](#c)
-* [C++](#c)
+* [C++](#c-1)
 * [Clojure](#clojure)
 * [CoffeeScript](#coffeescript)
 * [ColdFusion](#coldfusion)