diff --git a/Home.md b/Home.md
index 17ad4d1..e836f11 100644
--- a/Home.md
+++ b/Home.md
@@ -11,6 +11,7 @@ When Linus Torvalds sat down in his bedroom to write Linux, he had something usa
 # Contents
 
 * [[plan overview]]
+* [[mutability]]
 * [[cons space]]
 * [[vector space]]
 * [[core functions]]