diff --git a/rtic/examples/async-delay.rs b/rtic/examples/async-delay.rs
index 0988346709..03206aeb43 100644
--- a/rtic/examples/async-delay.rs
+++ b/rtic/examples/async-delay.rs
@@ -1,7 +1,9 @@
-// examples/async-delay.rs
-//
+//! examples/async-delay.rs
+
 #![no_main]
 #![no_std]
+#![deny(warnings)]
+#![deny(missing_docs)]
 #![feature(type_alias_impl_trait)]
 
 use panic_semihosting as _;
diff --git a/rtic/examples/async-timeout.rs b/rtic/examples/async-timeout.rs
index 2e974409d3..810bdeb8cf 100644
--- a/rtic/examples/async-timeout.rs
+++ b/rtic/examples/async-timeout.rs
@@ -1,5 +1,5 @@
-// examples/async-timeout.rs
-//
+//! examples/async-timeout.rs
+
 #![no_main]
 #![no_std]
 #![deny(warnings)]