Greg, it was an omission on our part on the brochures. As you already know this is covered by E140596 - RTRT.
Terminals of the wire-binding screw, setscrew, or screw-actuated back-wired clamping types are suitable for use with both solid and stranded building wires.
Legrand | PASS & SEYMOUR
Robert Scott Team Leader, Technical Support Electrical Wiring Systems Division Legrand, North America