diff --git a/protocol/protocol.pdf b/protocol/protocol.pdf
index 7285e95f..ababefe9 100644
Binary files a/protocol/protocol.pdf and b/protocol/protocol.pdf differ
diff --git a/protocol/protocol.tex b/protocol/protocol.tex
index 7349c84b..9d191b8d 100644
--- a/protocol/protocol.tex
+++ b/protocol/protocol.tex
@@ -183,6 +183,8 @@
 \newcommand{\CoinAddressRandNew}[1]{\mathsf{\uprho^{new}_\mathnormal{#1}}}
 \newcommand{\CoinAddressPreRand}{\mathsf{\upvarphi}}
 \newcommand{\CoinCommitS}{\mathsf{s}}
+\newcommand{\sn}{\mathsf{nf}}
+\newcommand{\snOld}[1]{\sn^\mathsf{old}_\mathnormal{#1}}
 \newcommand{\hSigInputVersionByte}{\hexint{C1}}
 \newcommand{\Memo}{\mathsf{memo}}
 \newcommand{\CurveMultiply}{\mathsf{Curve25519}}
@@ -209,7 +211,7 @@
 \newcommand{\Clamp}{\mathsf{clamp_{Curve25519}}}
 \newcommand{\PRF}[2]{\mathsf{{PRF}^{#2}_\mathnormal{#1}}}
 \newcommand{\PRFaddr}[1]{\PRF{#1}{addr}}
-\newcommand{\PRFsn}[1]{\PRF{#1}{rn}}
+\newcommand{\PRFsn}[1]{\PRF{#1}{\sn}}
 \newcommand{\PRFpk}[1]{\PRF{#1}{pk}}
 \newcommand{\PRFrho}[1]{\PRF{#1}{\CoinAddressRand}}
 \newcommand{\PRFdk}[1]{\PRF{#1}{dk}}
@@ -225,8 +227,6 @@
 
 % merkle tree
 \newcommand{\MerkleDepth}{\mathsf{d}}
-\newcommand{\sn}{\mathsf{rn}}
-\newcommand{\snOld}[1]{\mathsf{{rn}^{old}_\mathnormal{#1}}}
 
 % bitcoin
 \newcommand{\vin}{\mathtt{vin}}
@@ -717,7 +717,7 @@ as a fee.
 
 A \pourDescription is data included in a \block that describes a \pourTransfer,
 i.e. a confidential value transfer. This kind of value transfer is the primary
-\Zerocash-specific operation performed by transactions; it uses, but should not be
+\Zcash-specific operation performed by transactions; it uses, but should not be
 confused with, the \PourCircuit used for the \zkSNARK proof and verification.
 
 A \pourTransfer spends $\NOld$ \coins $\cOld{\allOld}$ and transparent input
@@ -767,18 +767,19 @@ A value $\vpubOld$ that the \PourTransfer removes from the value pool. \\ \hline
 into the value pool. \\ \hline
 
 32 & $\anchorField$ & \type{char[32]} & A merkle root $\rt$ of the \coinCommitmentTree at
-some block height in the past, or the merkle root produced by a previous xfer in
+some block height in the past, or the merkle root produced by a previous \pourTransfer in
 this transaction. \sean{We need to be more specific here.} \\ \hline
 
-64 & $\serials$ & \type{char[32][$\NOld$]} & A sequence of \serialNumbers $\snOld{\allOld}$. \\ \hline
+64 & $\serials$ & \type{char[32][$\NOld$]} & A sequence of \serialNumbers of the input
+\coins $\snOld{\allOld}$. \\ \hline
 
-64 & $\commitments$ & \type{char[32][$\NNew$]}. & A sequence of \coinCommitments 
-$\cmNew{\allNew}$. \\ \hline
+64 & $\commitments$ & \type{char[32][$\NNew$]}. & A sequence of \coinCommitments for the
+output \coins $\cmNew{\allNew}$. \\ \hline
 
 32 & $\ephemeralKey$ & \type{char[32]} & A Curve25519 public key $\EphemeralPublic$. \\ \hline
 
 288 & $\encCiphertexts$ & \type{char[144][$\NNew$]} & A sequence of ciphertext
-components, $\TransmitCiphertext{\allNew}$. \\ \hline
+components for the encrypted output \coins, $\TransmitCiphertext{\allNew}$. \\ \hline
 
 \setchanged 32 &\setchanged $\randomSeed$ &\setchanged \type{char[32]} &\mbox{}\setchanged
 A 256-bit seed that must be chosen independently at random for each \pourDescription. \\ \hline