diff --git a/src/main.rs b/src/main.rs
index 632e254..5ff9d23 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -24,13 +24,15 @@ fn add_people(mut commands: Commands) {
     commands.spawn((Person, Name("Renzo Hume".to_string())));
     commands.spawn((Person, Name("Zayna Nieves".to_string())));
 }
-#[derive(Component)]
+#[derive(Resource)]
 struct GreetTimer(Timer);
 //endregion
 //region query
-fn greet_people(query: Query<&Name, With<Person>>) {
-    for name in &query {
-        println!("hello {}!", name.0);
+fn greet_people(time: Res<Time>, mut timer: ResMut<GreetTimer>, query: Query<&Name, With<Person>>) {
+    if timer.0.tick(time.delta()).just_finished() {
+        for name in &query {
+            println!("hello {}!", name.0);
+        }
     }
 }
 fn update_people(mut query: Query<&mut Name, With<Person>>) {
@@ -46,8 +48,9 @@ fn update_people(mut query: Query<&mut Name, With<Person>>) {
 pub struct HelloPlugin;
 impl Plugin for HelloPlugin {
     fn build(&self, app: &mut App) {
-        app.add_systems(Startup, add_people)
-            .add_systems(Update, (hello_world, (update_people, greet_people).chain()));
+        app.insert_resource(GreetTimer(Timer::from_seconds(2.0, TimerMode::Repeating)))
+            .add_systems(Startup, add_people)
+            .add_systems(Update, ((update_people, greet_people).chain()));
     }
 }
 //endregion