Update policies/adding-new-role-members.md

Co-authored-by: Kelle Cruz <[email protected]>

Author: hamogu

policies/adding-new-role-members.md

@@ -33,5 +33,5 @@ The process is:
 7.  The nominee receives the necessary Github or other permissions for the new role.
 8. The Coordination Committee member sends a confirmation message to the nominee
    to complete the process.
-9. Add nominee to core-maintainers mailing list. (The name of the list is historic, today it
+9. Add nominee to astropy-core-maintainers mailing list. (The name of the list is historic, today it
    is used for all team roles.)