diff --git a/src/index.md b/src/index.md
index a0f2f7f1..feecbd73 100644
--- a/src/index.md
+++ b/src/index.md
@@ -49,8 +49,8 @@ Rust is a large language and we won't be able to cover all of it in a few days.
 Some non-goals of this course are:
 
 - Learning how to develop macros: please see
-  [Chapter 19.5 in the Rust Book](https://doc.rust-lang.org/book/ch19-06-macros.html)
-  and [Rust by Example](https://doc.rust-lang.org/rust-by-example/macros.html)
+  [the Rust Book](https://doc.rust-lang.org/book/) and
+  [Rust by Example](https://doc.rust-lang.org/rust-by-example/macros.html)
   instead.
 
 ## Assumptions