diff --git a/protocol/protocol.tex b/protocol/protocol.tex
index 63e548bf..932c9b74 100644
--- a/protocol/protocol.tex
+++ b/protocol/protocol.tex
@@ -8483,8 +8483,6 @@ for example), and requirements specific to Bitcoin's Segwit addresses.}
 
 \shaCompress outputs are always represented as sequences of $32$ bytes.
 
-The language consisting of the following encoding possibilities is prefix-free.
-
 
 \introsection
 \lsubsubsection{Transparent Addresses}{transparentaddrencoding}
@@ -10850,6 +10848,10 @@ Peter Newell's illustration of the Jubjub bird, from \cite{Carroll1902}.
 
 \historyentry{2020.1.15}{}
 \begin{itemize}
+    \item Remove a statement that the language consisting of key and address encoding
+          possibilities is prefix-free. (The human-readable forms are prefix-free but the
+          raw encodings are not; for example, the \rawEncoding of a \Sapling \spendingKey
+          can be a prefix of several of the other encodings.)
     \item Include a reference to \cite{BFIJSV2010} for batch pairing verification techniques.
 \end{itemize}