Hi.
Yes, that is what I thought.
It does seem to me though a hedgehog made up of a Pike Block and two musketeer units is significantly more powerful than a combined unit in hedgehog. A combat value of 18 I think.
It does also seem that unless you are surrounded by Cavalry, going into Hedgehog isn't worth it. If you have support to front and rear and the cavalry charge the front, the only advantage a hedgehog has it's +3 combat resolution rather than +2 (Front and rear support). But there's a danger if you go for hedgehog you fail the order roll (I rolled 9 so many times yesterday, it was a joke) and end up disrupted and not in a hedgehog. If you stand and fire instead, you don't fail any rolls and potentially shoot up the cavalry with your 3 shots?
Theres the 'no retire' advantage as well, but I'd still not go into hedgehog unless threatened on the flank & rear.