Small corrections

Author: Alexander Nosov

docs/sql-server/azure-arc/assess.md

@@ -31,7 +31,7 @@ You can enable SQL assessment for your SQL Server instances by following these s
 
    ![SQL Assessment selection](media/assess/sql-assessment-heading-sql-server-arc.png)
 
-1. Specify a working directory on the data collection machine. During collection and analysis, data is temporarily stored under that folder. If the folder doesn't exist, it is created automatically.
+1. Specify a working directory on the data collection machine. By default, `C:\sql_assessment\work_dir` will be used. During collection and analysis, data is temporarily stored under that folder. If the folder doesn't exist, it is created automatically.
 
 1. Click on __Download configuration script__ and copy the downloaded script to the target machine.