diff --git a/protocol/protocol.tex b/protocol/protocol.tex
index 6e92bf70..c614277d 100644
--- a/protocol/protocol.tex
+++ b/protocol/protocol.tex
@@ -7504,7 +7504,10 @@ addresses \cite{Bitcoin-Base58}.
 
 \sapling{
 For \Sapling-specific key and address formats, Bech32 \cite{BIP-173} is used
-instead of Base58Check.
+instead of Base58Check. All conformance requirements of BIP 173 apply except for
+the limit of 90 characters on an encoded Bech32 string (which does not hold for
+\Sapling viewing keys, for example), and requirements specific to Bitcoin's
+Segwit addresses.
 }
 
 $\shaCompress$ outputs are always represented as sequences of $32$ bytes.
@@ -9602,6 +9605,7 @@ Peter Newell's illustration of the Jubjub bird, from \cite{Carroll1902}.
     \item Clarify the wording of the abstract.
     \item Correct statements about which algorithms are instantiated by $\BlakeTwosGeneric$ and
           $\BlakeTwobGeneric$.
+    \item Add a note explaining which conformance requirements of \cite{BIP-173} (defining Bech32) apply.
     \item Add the Jubjub bird image to the title page. This image has been edited from a scan of
           Peter Newell's original illustration (as it appeared in \cite{Carroll1902}) to remove the
           background and Bandersnatch, and to restore the bird's clipped right wing.