Index: lib/libc/sys/wait.2
===================================================================
--- lib/libc/sys/wait.2
+++ lib/libc/sys/wait.2
@@ -28,7 +28,7 @@
 .\"     @(#)wait.2	8.2 (Berkeley) 4/19/94
 .\" $FreeBSD$
 .\"
-.Dd December 3, 2013
+.Dd April 24, 2016
 .Dt WAIT 2
 .Os
 .Sh NAME
@@ -596,6 +596,14 @@
 fields of
 .Fa infop
 must be checked against zero to determine if a process reported status.
+.Pp
+The
+.Fn wait
+functions which waits for any child process will ignore child with a process
+descriptors (see
+.Xr pdfork 2 ) .
+The process descriptor can be still waited using process ID or descriptor (see
+.Xr pdwait 2 ) .
 .Sh ERRORS
 The
 .Fn wait