diff --git a/src/unsafe.md b/src/unsafe.md
index 0ce06369..ec9b9d44 100644
--- a/src/unsafe.md
+++ b/src/unsafe.md
@@ -6,13 +6,16 @@ The Rust language has two parts:
 * **Unsafe Rust:** can trigger undefined behavior if preconditions are violated.
 
 We will be seeing mostly safe Rust in this course, but it's important to know
-what unsafe Rust is.
+what Unsafe Rust is.
 
 Unsafe Rust gives you access to five new capabilities:
 
 * Dereference raw pointers.
 * Access or modify mutable static variables.
 * Access `union` fields.
-* Call `unsafe` functions, including `extern` functions
+* Call `unsafe` functions, including `extern` functions.
 * Implement `unsafe` traits.
 
+We will briefly cover these capabilities next. For full details, please see
+[Chapter 19.1 in the Rust Book](https://doc.rust-lang.org/book/ch19-01-unsafe-rust.html)
+and the [Rustonomicon](https://doc.rust-lang.org/nomicon/).