Acrolinx fixes

Author: RoseHJM

articles/dev-box/how-to-install-dev-box-cli.md

@@ -9,6 +9,7 @@ ms.topic: how-to
 ms.author: rosemalcolm
 author: RoseHJM
 ms.date: 01/31/2025
+
 #Customer intent: As a platform engineer, I want to install the Dev Box CLI extension so that I can create Dev Box resources from the command line.
 ---
 
@@ -31,9 +32,9 @@ az extension add --name devcenter
 az extension list
 ```
 ### Update the devcenter extension
-You can update the devcenter extension if you already have it installed.
+You can update the devcenter extension if it's already installed.
 
-To update a version of the extension that's installed
+To update the extension:
 ``` azurecli
 az extension update --name devcenter
 ```