Fixed failing doctest and updated some comments

Author: Fernan Lukban

crates/bevy_render/src/view/window/cursor.rs

@@ -37,6 +37,7 @@ impl Plugin for CursorPlugin {
 #[derive(Component, Debug, Clone, Reflect, PartialEq, Eq)]
 #[reflect(Component, Debug, Default, PartialEq)]
 pub enum CursorIcon {
+    /// Makes the cursor hidden
     Hidden,
     /// Custom cursor image.
     Custom(CustomCursor),

crates/bevy_winit/src/state.rs

@@ -149,7 +149,7 @@ pub struct CustomCursorCache(pub HashMap<CustomCursorCacheKey, winit::window::Cu
 /// A source for a cursor. Is created in `bevy_render` and consumed by the winit event loop.
 #[derive(Debug)]
 pub enum CursorSource {
-    /// Cursor was set to hidden, so we need to pass this onto the winit_window
+    /// A hidden cursor, used to hide the cursor in `winit_window`
     Hidden,
     /// A custom cursor was identified to be cached, no reason to recreate it.
     CustomCached(CustomCursorCacheKey),

examples/window/window_settings.rs

@@ -166,6 +166,7 @@ struct CursorIcons(Vec<CursorIcon>);
 
 fn init_cursor_icons(mut commands: Commands, asset_server: Res<AssetServer>) {
     commands.insert_resource(CursorIcons(vec![
+        CursorIcon::Hidden,
         SystemCursorIcon::Default.into(),
         SystemCursorIcon::Pointer.into(),
         SystemCursorIcon::Wait.into(),