diff --git a/free-programming-books.md b/free-programming-books.md
index 48405b441..ba6b69e0c 100644
--- a/free-programming-books.md
+++ b/free-programming-books.md
@@ -47,7 +47,7 @@
 * [Erlang](#erlang)
 * [Flex](#flex)
 * [F#](#f-sharp)
-* [Force.com](#salesforce)
+* [Force.com](#forcecom)
 * [Forth](#forth)
 * [Git](#git)
 * [Go](#go)