diff --git a/free-programming-books.md b/free-programming-books.md
index 457928c2d6e95a7ad7cccdedb75f173c4b71685e..803282b9b7647b2079f46d4db850144bc224716d 100644
--- a/free-programming-books.md
+++ b/free-programming-books.md
@@ -35,7 +35,7 @@
 * [Force.com](#forcecom)
 * [Forth](#forth)
 * [Fortran](#fortran)
-* [FreeBSD](#freebsdf)
+* [FreeBSD](#freebsd)
 * [Git](#git)
 * [Go](#go)
 * [Gradle](#gradle)