Use /gud to change the description for a server-level or collection-level group.
To use the /gud command, you must have the Edit project-level information permission set to Allow. For more information, see Team Foundation Server Permissions.
TFSSecurity /gud GroupIdentity GroupDescription [/collection:CollectionURL] [/server:ServerURL]
Specifies the group identity. For more information about valid identity specifiers, see TFSSecurity Identity and Output Specifiers.
Specifies the new description for the group.
Required if /server is not used. Specifies the URL of a team project collection in the following format: http://ServerName:Port/VirtualDirectoryName/CollectionName
Required if /collection is not used. Specifies the URL of an application-tier server in the following format: http://ServerName:Port/VirtualDirectoryName
The following example associates the description "The members of this group test the code for this project" with the group "Datum Testers."
The example companies, organizations, products, domain names, e-mail addresses, logos, people, places, and events depicted herein are fictitious. No association with any real company, organization, product, domain name, email address, logo, person, places, or events is intended or should be inferred.
>TFSSecurity /gud "Datum Testers" "The members of this group test the code for this project" /collection:CollectionURL