diff --git a/content/day-1/02_controllers.md b/content/day-1/02_controllers.md
index a2a4846..e63a2b7 100644
--- a/content/day-1/02_controllers.md
+++ b/content/day-1/02_controllers.md
@@ -3,6 +3,7 @@ title: "The Hidden Brains of Kubernetes: Meet Controllers Powering the Cloud"
 weight: 2
 tags:
  - rejekts
+ - operator
 ---
 
 {{% button href="https://www.youtube.com/watch?v=PciVvE02L2w" style="warning" icon="video" %}}Watch talk on YouTube{{% /button %}}