--- src/usr.bin/tabs/tabs.1	2005/08/01 01:49:18	1.2
+++ src/usr.bin/tabs/tabs.1	2007/07/30 22:11:33	1.3
@@ -150,7 +150,8 @@ utility conforms to
 .Sh HISTORY
 A
 .Nm
-utility appeared in PWB UNIX.
+utility appeared in PWB
+.Ux .
 .Sh BUGS
 The current
 .Xr termcap 5