Merge pull request #25550 from bl-ue/patch-1

Fix typo in AppDirect case study

Author: k8s-ci-robot

content/en/case-studies/appdirect/index.html

@@ -13,7 +13,7 @@
 heading_background: /images/case-studies/appdirect/banner1.jpg
 heading_title_logo: /images/appdirect_logo.png
 subheading: >
-  AppDirect: How AppDirect Supported the 10x Growth of Its Engineering Staff with Kubernetess
+  AppDirect: How AppDirect Supported the 10x Growth of Its Engineering Staff with Kubernetes
 case_study_details:
   - Company: AppDirect
   - Location: San Francisco, California