diff --git a/doc/man/man5/slapo-dynlist.5 b/doc/man/man5/slapo-dynlist.5
index c5eb9f0e38..fc0cb20d2e 100644
--- a/doc/man/man5/slapo-dynlist.5
+++ b/doc/man/man5/slapo-dynlist.5
@@ -106,5 +106,6 @@ default slapd configuration file
 .SH SEE ALSO
 .BR slapd.conf (5),
 .BR slapd (8).
-.SH AUTHOR
-Originally implemented by Pierangelo Masarati.
+.SH ACKNOWLEDGEMENTS
+.P
+This module was written in 2004 by Pierangelo Masarati for SysNet s.n.c.
diff --git a/doc/man/man5/slapo-retcode.5 b/doc/man/man5/slapo-retcode.5
index deaf0192da..77cf164db7 100644
--- a/doc/man/man5/slapo-retcode.5
+++ b/doc/man/man5/slapo-retcode.5
@@ -158,5 +158,6 @@ default slapd configuration file
 .SH SEE ALSO
 .BR slapd.conf (5),
 .BR slapd (8),
-.SH AUTHOR
-Pierangelo Masarati
+.SH ACKNOWLEDGEMENTS
+.P
+This module was written in 2005 by Pierangelo Masarati for SysNet s.n.c.