In order to modify the properties of a specific package, you must have Modify permission for the Package security object type. For more information about security permissions, see Classes and Instances for Object Security in Configuration Manager.
How to modify package properties
In the Configuration Manager console, navigate to System Center Configuration Manager / Site Database / Computer Management / Software Distribution / Packages.
Right-click the package you want to modify, and then click Properties.
In the Package Properties dialog box, modify the settings as needed.
For information about the specific pages in this dialog box, see Package Name Properties.