diff --git a/src/lib/libc/string/strdup.3 b/src/lib/libc/string/strdup.3
index 77bbb5a2..6abbba57 100644
--- a/src/lib/libc/string/strdup.3
+++ b/src/lib/libc/string/strdup.3
@@ -1,4 +1,4 @@
-.\" $OpenBSD: strdup.3,v 1.5 1998/06/15 17:55:12 mickey Exp $
+.\" $OpenBSD: strdup.3,v 1.6 1998/08/19 05:51:14 pjanzen Exp $
 .\"
 .\" Copyright (c) 1990, 1991, 1993
 .\"	The Regents of the University of California.  All rights reserved.
@@ -57,9 +57,9 @@ argument to the function
 .Pp
 If insufficient memory is available, NULL is returned.
 .Sh SEE ALSO
-.Xr free 3
-.Xr malloc 3
-.Xr strcpy 3
+.Xr free 3 ,
+.Xr malloc 3 ,
+.Xr strcpy 3 ,
 .Xr strlen 3
 .Sh HISTORY
 The