diff --git a/protocol/protocol.tex b/protocol/protocol.tex
index 32c0f7f8..f4ac6188 100644
--- a/protocol/protocol.tex
+++ b/protocol/protocol.tex
@@ -14640,7 +14640,7 @@ Peter Newell's illustration of the Jubjub bird, from \cite{Carroll1902}.
 \lsection{Change History}{changehistory}
 
 
-\historyentry{2022.3.1}{}
+\historyentry{2022.3.1}{2022-04-28}
 \begin{itemize}
 \nufive{
     \item In \crossref{orchardkeycomponents}, do not allow construction of \Orchard