T for F?

I was reviewing the updates to the Coloured Doubles in the latest Observer's Handbook and I think I spotted a little mistake. Sent Michel a note about the T (tight) designation for (Struve) Σ2991 Peg. The tight rating did not seem right appropriate the separation of 33. Judging by the other entries, it seems he's applying the tight qualification to pairs in the 6 to 10 range. I wondered if he meant faint (F)...