Thanks.See the Poland in Flames rules. Available on the BFP site.
It's not a misprint.
7.5.4 SMC21: The SS have several new leader types (10-1, 10-0, 9-0, 7-1) depicted in PiF and are normal leaders in all respects. These new leaders are never considered part of the normal Battle Hardening (A15.3) and/or ELR Replacement (A19.13) chain [EXC: per below if part of the initial OB] and are not available through Leader Creation (A18.l). Thus, these leaders are only available if part of the initial scenario OB. If one of these leaders Battle Hardens or fails ELR, replace it as follows: