diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 70836a41121..38015994626 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -11,6 +11,7 @@ If you have suggestions about additional content that should be included in this
   <summary>Kubernetes</summary>
 
 - **Understand the basics of Kubernetes**
+  - [ ]  [Kubernetes official documentation](https://kubernetes.io/docs/concepts/overview/)
   - [ ]  [Kubernetes For Beginner](https://youtu.be/X48VuDVv0do)
 - **Kubernetes Architecture**
   - [ ]  [Philosophy](https://youtu.be/ZuIQurh_kDk)