diff --git a/crates/bevy_window/src/raw_handle.rs b/crates/bevy_window/src/raw_handle.rs
index 545c220931..0943315055 100644
--- a/crates/bevy_window/src/raw_handle.rs
+++ b/crates/bevy_window/src/raw_handle.rs
@@ -50,6 +50,10 @@ impl<W: 'static> Deref for WindowWrapper<W> {
 /// thread-safe.
 #[derive(Debug, Clone, Component)]
 pub struct RawHandleWrapper {
+    /// A shared reference to the window.
+    /// This allows us to extend the lifetime of the window,
+    /// so it doesn’t get eagerly dropped while a pipelined
+    /// renderer still has frames in flight that need to draw to it.
     _window: Arc<dyn Any + Send + Sync>,
     /// Raw handle to a window.
     window_handle: RawWindowHandle,