diff --git a/Chap_Revisions.tex b/Chap_Revisions.tex
index 87dc5196..34db6eaf 100644
--- a/Chap_Revisions.tex
+++ b/Chap_Revisions.tex
@@ -1194,7 +1194,7 @@ \subsection{Removed attributes}
 
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 %%%%%%%%%% History: Version 4.1
-\section{Version 4.1: TBD}
+\section{Version 4.1: Oct. 2021}
 
 The v4.1 update includes clarifications and corrections from the v4.0 document: