tweaks

Author: ManikaDhiman

azure-local/deploy/deployment-prep-active-directory.md

@@ -73,7 +73,7 @@ To create a dedicated OU, follow these steps:
 
 1. When prompted, provide the username and password for the deployment.
 
-    1. Make sure that only the username is provided. The name shouldn't include the domain name, for example, `contoso\username`. **Username must be between 1 to 20 characters and only contain letters, numbers, hyphens, and underscores and may not start with a hyphen or number.**
+    1. Make sure that only the username is provided. The name shouldn't include the domain name, for example, `contoso\username`. **The username must be 1–20 characters long, contain only letters, numbers, hyphens, and underscores, and can't start with a hyphen or number.**
     1. Make sure that the password meets complexity and length requirements. **Use a password that is at least 14 characters long and contains: a lowercase character, an uppercase character, a numeral, and  a special character.**
 
     Here's a sample output from a successful completion of the script: