1 files changed, 3 insertions, 1 deletions
diff --git a/pwait.1 b/pwait.1
index 6621b4f..9973747 100644
--- a/pwait.1
+++ b/pwait.1
@@ -1,4 +1,4 @@
-.Dd June 13, 2016
+.Dd September 17, 2018
 .Dt PWAIT 1
 .Os
 .Sh NAME
@@ -22,6 +22,8 @@ Return 111 if any process exited non-successfully.
 .El
 .Sh EXIT STATUS
 .Ex -std
+.Pp
+Invalid pids elicit a warning message but are otherwise ignored.
 .Sh ERRORS
 Check these prerequisites if you see this error:
 .Bd -literal -offset Ds