Update tutorial-discover-physical.md

Author: Molishv

articles/migrate/tutorial-discover-physical.md

@@ -62,7 +62,7 @@ For discovering Linux servers, you can set up a least privileged sudo account by
 
 **Set up Least privileged Linux user accounts** 
 
-- You need a sudo user account on the Linux servers you want to discover.
+- You need a user account that has sudo permissions to execute the below commands with no `NOPASSWD` on the Linux servers you want to discover.
 - This account helps collect configuration and performance data, perform software inventory (find installed applications), and enable agentless dependency analysis using SSH.
 - Ensure that you enable `NOPASSWD` for the account so it can run the required commands without asking for a password each time it uses sudo.
 - Modify the sudoers file to disable terminal (requiretty) for the user account. 
@@ -318,4 +318,4 @@ After discovery starts, you can delete any added server from the appliance confi
 
 ## Next steps
 
-Try [assessment of physical servers](tutorial-assess-physical.md) with Azure Migrate: Discovery and assessment.
+Try [assessment of physical servers](tutorial-assess-physical.md) with Azure Migrate: Discovery and assessment.