Fix a typo pointed out by @benblaxill.

Signed-off-by: Daira Hopwood <daira@jacaranda.org>

protocol/protocol.tex

@@ -994,7 +994,7 @@ $1802 \times \nJoinSplit$ & $\vJoinSplit$ &
 \type{JoinSplitDescription} \type{[$\nJoinSplit$]} &
 The \sequenceOfJoinSplitDescriptions in this \transaction. \\ \hline
 
-33 $\dagger$ & $\joinSplitPubKey$ & \type{char[32]} & An encoding of an $\JoinSplitSigAlg$
+32 $\dagger$ & $\joinSplitPubKey$ & \type{char[32]} & An encoding of an $\JoinSplitSigAlg$
 public verification key \\ \hline
 
 64 $\dagger$ & $\joinSplitSig$ & \type{char[64]} & A signature on a prefix of the \transaction encoding,
@@ -2651,7 +2651,8 @@ Virza.
 The authors would like to thank everyone with whom they have discussed
 the \Zerocash protocol design; in addition to the inventors, this includes
 Mike Perry, Isis Lovecruft, Leif Ryge, Andrew Miller, Zooko Wilcox,
-Samantha Hulsey, Jack Grigg, Simon Liu, jl777, and no doubt others.
+Samantha Hulsey, Jack Grigg, Simon Liu, Ariel Gabizon, jl777, Ben Blaxill,
+and no doubt others.
 
 The Faerie Gold attack was found by Zooko Wilcox.
 The internal hash collision attack was found by Taylor Hornby.