fix docs

crates/bevy_ecs/src/event/mutator.rs

@@ -21,7 +21,7 @@ use bevy_ecs::{
 /// fn my_system(mut reader: EventMutator<MyEvent>) {
 ///     for event in reader.read() {
 ///         event.0 += 1;
-///         println!("received event: {}", event);
+///         println!("received event: {event:?}");
 ///     }
 /// }
 /// ```

crates/bevy_ecs/src/query/filter.rs

@@ -606,7 +606,7 @@ all_tuples!(impl_or_query_filter, 0, 15, F, S);
 ///
 /// fn print_add_name_component(query: Query<&Name, Added<Name>>) {
 ///     for name in &query {
-///         println!("Named entity created: {}", name)
+///         println!("Named entity created: {name:?}")
 ///     }
 /// }
 ///
@@ -845,7 +845,7 @@ unsafe impl<T: Component> QueryFilter for Added<T> {
 ///
 /// fn print_moving_objects_system(query: Query<&Name, Changed<Transform>>) {
 ///     for name in &query {
-///         println!("Entity Moved: {}", name);
+///         println!("Entity Moved: {name:?}");
 ///     }
 /// }
 ///