diff --git a/ls-bus-guide/headers/fmi3LsBusUtil.h b/ls-bus-guide/headers/fmi3LsBusUtil.h
index e3b299d..fc900e2 100644
--- a/ls-bus-guide/headers/fmi3LsBusUtil.h
+++ b/ls-bus-guide/headers/fmi3LsBusUtil.h
@@ -8,8 +8,7 @@ bus operations from\to dedicated buffer variables.
 
 This header can be used when creating Network FMUs.
 
-Copyright (C) 2008-2011 MODELISAR consortium,
-              2012-2023 Modelica Association Project "FMI"
+Copyright (C) 2023 Modelica Association Project "FMI"
               All rights reserved.
 
 This file is licensed by the copyright holders under the 2-Clause BSD License
diff --git a/ls-bus-guide/headers/fmi3LsBusUtilCan.h b/ls-bus-guide/headers/fmi3LsBusUtilCan.h
index a71921f..c186695 100644
--- a/ls-bus-guide/headers/fmi3LsBusUtilCan.h
+++ b/ls-bus-guide/headers/fmi3LsBusUtilCan.h
@@ -7,8 +7,7 @@ CAN specific bus operations from\to dedicated buffer variables.
 
 This header file can be used when creating Network fmi-ls-bus FMUs with CAN busses.
 
-Copyright (C) 2008-2011 MODELISAR consortium,
-              2012-2023 Modelica Association Project "FMI"
+Copyright (C) 2023 Modelica Association Project "FMI"
               All rights reserved.
 
 This file is licensed by the copyright holders under the 2-Clause BSD License