--- src/usr.bin/checkpt/checkpt.1	2004/11/23 07:36:33	1.2
+++ src/usr.bin/checkpt/checkpt.1	2005/02/26 11:10:35	1.3
@@ -67,4 +67,5 @@ non-checkpointed elements and resume.
 .Sh HISTORY
 The
 .Nm
-command first appeared in DragonFly .
+command first appeared in
+.Dx 1.0 .