diff --git a/content/docs/en/guides/ecs/example-ecs-plugin.mdx b/content/docs/en/guides/ecs/example-ecs-plugin.mdx
index 5f166f9b..183213d2 100644
--- a/content/docs/en/guides/ecs/example-ecs-plugin.mdx
+++ b/content/docs/en/guides/ecs/example-ecs-plugin.mdx
@@ -40,6 +40,7 @@ public class PoisonComponent implements Component<EntityStore> {
   }
 
   // A builder codec is needed to allow components to be saved and loaded from disk
+  // NOTE: You must specify the codec when registering the component for it to save and load data.
   public static final BuilderCodec<PoisonComponent> CODEC = BuilderCodec
         .builder(PoisonComponent.class, PoisonComponent::new)
         .append(
@@ -230,7 +231,7 @@ public final class ExamplePlugin extends JavaPlugin {
 
     // Register the component & set the type in the component class so its easier to retrieve.
     ComponentType<EntityStore, PoisonComponent> poisonComponentType = this.getEntityStoreRegistry()
-        .registerComponent(PoisonComponent.class, PoisonComponent::new);
+        .registerComponent(PoisonComponent.class, PoisonComponent::new, PoisonComponent.CODEC);
     PoisonComponent.setComponentType(poisonComponentType);
 
     this.getEntityStoreRegistry().registerSystem(new PoisonSystem(PoisonComponent.getComponentType()));