Update user-guide.md

Author: akankshakumari393

content/en/docs/concepts/windows/user-guide.md

@@ -18,7 +18,7 @@ This guide walks you through the steps to configure and deploy Windows container
 ## Objectives
 
 * Configure an example deployment to run Windows containers on the Windows node
-* Highlight Windows specific funcationality in Kubernetes
+* Highlight Windows specific functionality in Kubernetes
 
 ## Before you begin