diff --git a/src/doc/book/primitive-types.md b/src/doc/book/primitive-types.md
index a8c7a7d4157..43b7e67e038 100644
--- a/src/doc/book/primitive-types.md
+++ b/src/doc/book/primitive-types.md
@@ -167,8 +167,11 @@ variable binding. Slices have a defined length, can be mutable or immutable.
 ## Slicing syntax
 
 You can use a combo of `&` and `[]` to create a slice from various things. The
-`&` indicates that slices are similar to references, and the `[]`s, with a
-range, let you define the length of the slice:
+`&` indicates that slices are similar to [references][], which we will cover in
+detail later in this section. The `[]`s, with a range, let you define the
+length of the slice:
+
+[references]: references-and-borrowing.html
 
 ```rust
 let a = [0, 1, 2, 3, 4];