diff --git a/grass7/temporal/t.upgrade/t.upgrade.html b/grass7/temporal/t.upgrade/t.upgrade.html
index e936f2bdc8..3b3b79b9a1 100644
--- a/grass7/temporal/t.upgrade/t.upgrade.html
+++ b/grass7/temporal/t.upgrade/t.upgrade.html
@@ -19,9 +19,9 @@ <h2>SEE ALSO</h2>
 <a href="t.info.html">t.info</a>
 </em>
 
-<h2>AUTHOR</h2>
+<h2>AUTHORS</h2>
 
-Martin Landa
+Martin Landa and Markus Neteler
 
 <!--
 <p><i>Last changed: $Date$</i>
diff --git a/grass7/temporal/t.upgrade/t.upgrade.py b/grass7/temporal/t.upgrade/t.upgrade.py
index f1d6e2ba99..15cf55c60a 100644
--- a/grass7/temporal/t.upgrade/t.upgrade.py
+++ b/grass7/temporal/t.upgrade/t.upgrade.py
@@ -3,7 +3,7 @@
 ############################################################################
 #
 # MODULE:       t.upgrade
-# AUTHOR(S):    Martin Landa
+# AUTHOR(S):    Martin Landa, Markus Neteler
 # PURPOSE:      Upgrade of TGRASS DB
 # COPYRIGHT:    (C) 2019 by Martin Landa, and the GRASS Development Team
 #