diff --git a/crates/bevy_asset/src/folder.rs b/crates/bevy_asset/src/folder.rs
index a0ae548b72..6fa5e4263b 100644
--- a/crates/bevy_asset/src/folder.rs
+++ b/crates/bevy_asset/src/folder.rs
@@ -15,5 +15,5 @@ pub struct LoadedFolder {
     /// The handles of all assets stored in the folder.
     #[dependency]
     pub handles: Vec<UntypedHandle>,
-    pub filter: Option<Arc<dyn Fn(&Path,bool) -> bool + Send + Sync + 'static>>
+    pub filter: Option<Arc<dyn Fn(&Path, bool) -> bool + Send + Sync + 'static>>,
 }
diff --git a/crates/bevy_asset/src/lib.rs b/crates/bevy_asset/src/lib.rs
index fce2e2769a..1859ea8f80 100644
--- a/crates/bevy_asset/src/lib.rs
+++ b/crates/bevy_asset/src/lib.rs
@@ -1618,7 +1618,7 @@ mod tests {
             .init_asset::<SubText>()
             .register_asset_loader(CoolTextLoader);
         let asset_server = app.world().resource::<AssetServer>().clone();
-        let handle: Handle<LoadedFolder> = asset_server.load_folder("text",None);
+        let handle: Handle<LoadedFolder> = asset_server.load_folder("text", None);
         gate_opener.open(a_path);
         gate_opener.open(b_path);
         gate_opener.open(c_path);
diff --git a/examples/2d/texture_atlas.rs b/examples/2d/texture_atlas.rs
index 45b6ef380d..8e9b2b819e 100644
--- a/examples/2d/texture_atlas.rs
+++ b/examples/2d/texture_atlas.rs
@@ -31,7 +31,9 @@ struct RpgSpriteFolder(Handle<LoadedFolder>);
 
 fn load_textures(mut commands: Commands, asset_server: Res<AssetServer>) {
     // Load multiple, individual sprites from a folder
-    commands.insert_resource(RpgSpriteFolder(asset_server.load_folder("textures/rpg",None)));
+    commands.insert_resource(RpgSpriteFolder(
+        asset_server.load_folder("textures/rpg", None),
+    ));
 }
 
 fn check_textures(
diff --git a/examples/README.md b/examples/README.md
index bccadd438e..3d0cfd97c6 100644
--- a/examples/README.md
+++ b/examples/README.md
@@ -254,6 +254,7 @@ Example | Description
 [Custom Asset IO](../examples/asset/custom_asset_reader.rs) | Implements a custom AssetReader
 [Embedded Asset](../examples/asset/embedded_asset.rs) | Embed an asset in the application binary and load it
 [Extra asset source](../examples/asset/extra_source.rs) | Load an asset from a non-standard asset source
+[Folder Filter](../examples/asset/folder_filter.rs) | Load Folder With Filter
 [Hot Reloading of Assets](../examples/asset/hot_asset_reloading.rs) | Demonstrates automatic reloading of assets when modified on disk
 [Multi-asset synchronization](../examples/asset/multi_asset_sync.rs) | Demonstrates how to wait for multiple assets to be loaded.
 [Repeated texture configuration](../examples/asset/repeated_texture.rs) | How to configure the texture to repeat instead of the default clamp to edges
diff --git a/examples/asset/asset_loading.rs b/examples/asset/asset_loading.rs
index cecbb28845..5e53be3724 100644
--- a/examples/asset/asset_loading.rs
+++ b/examples/asset/asset_loading.rs
@@ -52,7 +52,7 @@ fn setup(
     // to load.
     // If you want to keep the assets in the folder alive, make sure you store the returned handle
     // somewhere.
-    let _loaded_folder: Handle<LoadedFolder> = asset_server.load_folder("models/torus",None);
+    let _loaded_folder: Handle<LoadedFolder> = asset_server.load_folder("models/torus", None);
 
     // If you want a handle to a specific asset in a loaded folder, the easiest way to get one is to call load.
     // It will _not_ be loaded a second time.
diff --git a/examples/asset/folder_filter.rs b/examples/asset/folder_filter.rs
index e199a06957..4e7eed052c 100644
--- a/examples/asset/folder_filter.rs
+++ b/examples/asset/folder_filter.rs
@@ -1,5 +1,6 @@
 //! In this example we generate four texture atlases (sprite sheets) from a folder containing
-//! individual sprites.
+//! individual sprites.But the folder containing waste files called "waste.txt"
+//! So we use filter to ingrone the waste files
 //!
 //! The texture atlases are generated with different padding and sampling to demonstrate the
 //! effect of these settings, and how bleeding issues can be resolved by padding the sprites.
@@ -35,11 +36,11 @@ fn load_textures(mut commands: Commands, asset_server: Res<AssetServer>) {
     // Load multiple, individual sprites from a folder
     commands.insert_resource(RpgSpriteFolder(asset_server.load_folder(
         "textures/rpg_with_waste",
-        Some(Arc::new(|path,is_dir| {
-            let a = is_dir || path.extension().unwrap_or_default() == "png";
-            info!("is_dir:{},path:{:?}   {}",is_dir,path,a);
-            a
-        })), 
+        Some(Arc::new(|path, is_dir| {
+            let need = is_dir || path.extension().unwrap_or_default() == "png";
+            info!("is_dir:{}    path:{:?}   need:{}", is_dir, path, need);
+            need
+        })),
     )));
 }