Merge branch 'david/arc-router-2' of https://github.com/tokio-rs/axum …

…into david/arc-router-2

axum/src/util.rs

@@ -63,10 +63,10 @@ fn test_try_downcast() {
 }
 
 // `AxumMutex` is a wrapper around `std::sync::Mutex` which, in test mode, tracks the number of
-// times its been locked on the current task. That way we can write a test to ensure we don't
+// times it's been locked on the current task. That way we can write a test to ensure we don't
 // accidentally introduce more locking.
 //
-// When not in test mode its a literal type alias for `std::sync::Mutex`.
+// When not in test mode, it is just a type alias for `std::sync::Mutex`.
 #[cfg(not(test))]
 mod mutex {
     #[allow(clippy::disallowed_types)]