diff --git a/exercises/lifetimes/README.md b/exercises/lifetimes/README.md
index dc7ca79..74a4a78 100644
--- a/exercises/lifetimes/README.md
+++ b/exercises/lifetimes/README.md
@@ -18,5 +18,5 @@ learning to write lifetime annotations.
 
 ## Further information
 
-- [Validating References with Lifetimes](https://doc.rust-lang.org/book/ch10-03-lifetime-syntax.html)
 - [Lifetimes (in Rust By Example)](https://doc.rust-lang.org/stable/rust-by-example/scope/lifetime.html)
+- [Validating References with Lifetimes](https://doc.rust-lang.org/book/ch10-03-lifetime-syntax.html)