diff --git a/axum/src/extract/path/mod.rs b/axum/src/extract/path/mod.rs
index 0575c8a3..ad4e5eb4 100644
--- a/axum/src/extract/path/mod.rs
+++ b/axum/src/extract/path/mod.rs
@@ -25,6 +25,10 @@ use std::{
 ///
 /// # Example
 ///
+/// These examples assume the `serde` feature of the [`uuid`] crate is enabled.
+///
+/// [`uuid`]: https://crates.io/crates/uuid
+///
 /// ```rust,no_run
 /// use axum::{
 ///     extract::Path,