diff --git a/protocol/protocol.tex b/protocol/protocol.tex
index 9b0f9235..24d92481 100644
--- a/protocol/protocol.tex
+++ b/protocol/protocol.tex
@@ -1785,7 +1785,7 @@ electronic commerce and payment, financial privacy, proof of work, zero knowledg
 \title{\textbf{\doctitle} \\
 \Large \docversion}
 \author{
-\Large \leadauthor\hairspace\thanks{\;Zerocoin Electric Coin Company} \\
+\Large \leadauthor\hairspace\thanks{\;Electric Coin Company} \\
 \Large \coauthora\affiliation — \coauthorb\affiliation — \coauthorc\affiliation}
 \date{\today}
 \maketitle
@@ -10348,6 +10348,14 @@ Peter Newell's illustration of the Jubjub bird, from \cite{Carroll1902}.
 \section{Change History}
 
 
+\subparagraph{2019.0-beta-39}
+
+\begin{itemize}
+    \item Change author affiliations from ``Zerocoin Electric Coin Company'' to
+          ``Electric Coin Company''.
+\end{itemize}
+
+\introlist
 \subparagraph{2019.0-beta-38}
 2019-04-18