diff --git a/src/application.rs b/src/application.rs
index 42c28f99..ae85c841 100644
--- a/src/application.rs
+++ b/src/application.rs
@@ -191,7 +191,9 @@ pub trait Application: Sized {
         false
     }
 
-    /// TODO
+    /// Returns the current system [`Menu`] of the [`Application`].
+    ///
+    /// By default, it returns an empty [`Menu`].
     fn menu(&self) -> Menu<Self::Message> {
         Menu::new()
     }
diff --git a/winit/src/application.rs b/winit/src/application.rs
index ada64dfc..5d1aabf9 100644
--- a/winit/src/application.rs
+++ b/winit/src/application.rs
@@ -100,7 +100,9 @@ pub trait Application: Program<Clipboard = Clipboard> {
         false
     }
 
-    /// TODO
+    /// Returns the current system [`Menu`] of the [`Application`].
+    ///
+    /// By default, it returns an empty [`Menu`].
     fn menu(&self) -> Menu<Self::Message> {
         Menu::new()
     }