diff --git a/lib/libc/sys/sigaction.2 b/lib/libc/sys/sigaction.2
index 19401df6274c..df6599480344 100644
--- a/lib/libc/sys/sigaction.2
+++ b/lib/libc/sys/sigaction.2
@@ -1,4 +1,4 @@
-.\"	$NetBSD: sigaction.2,v 1.16 1998/04/30 22:03:02 fair Exp $
+.\"	$NetBSD: sigaction.2,v 1.17 1998/05/05 03:11:17 tls Exp $
 .\"
 .\" Copyright (c) 1980, 1990, 1993
 .\"	The Regents of the University of California.  All rights reserved.
@@ -146,6 +146,10 @@ setting
 .Fa sa_handler
 to
 .Dv SIG_DFL .
+Alternately, if the
+.Dv SA_RESETHAND
+bit is set the default action will be reinstated when the signal
+is first posted.
 The defaults are process termination, possibly with core dump;
 no action; stopping the process; or continuing the process.
 See the signal list below for each signal's default action.