Wrong formatting on curl command for downloading latest release of kubectl (#22738)

* Update install-kubectl.md

Wrong formatting on the first curl command

* Update content/en/docs/tasks/tools/install-kubectl.md

Correct syntax

Co-authored-by: Tim Bannister <[email protected]>

Co-authored-by: Tim Bannister <[email protected]>

Author: roberthstrand

content/en/docs/tasks/tools/install-kubectl.md

@@ -28,7 +28,7 @@ You must use a kubectl version that is within one minor version difference of yo
 1. Download the latest release with the command:
 
     ```
-    curl -LO https://storage.googleapis.com/kubernetes-release/release/`curl -s https://storage.googleapis.com/kubernetes-release/release/stable.txt`/bin/linux/amd64/kubectl
+    curl -LO "https://storage.googleapis.com/kubernetes-release/release/$(curl -s https://storage.googleapis.com/kubernetes-release/release/stable.txt)/bin/linux/amd64/kubectl"
     ```
 
     To download a specific version, replace the `$(curl -s https://storage.googleapis.com/kubernetes-release/release/stable.txt)` portion of the command with the specific version.