Index: lib/libc/stdlib/exit.3
===================================================================
--- lib/libc/stdlib/exit.3
+++ lib/libc/stdlib/exit.3
@@ -32,7 +32,7 @@
 .\"     @(#)exit.3     8.1 (Berkeley) 6/4/93
 .\" $FreeBSD$
 .\"
-.Dd May 28, 2018
+.Dd March 22, 2020
 .Dt EXIT 3
 .Os
 .Sh NAME
@@ -131,3 +131,8 @@
 .Fn _Exit
 functions conform to
 .St -isoC-99 .
+.Sh HISTORY
+The
+.Fn exit
+function appeared in
+.At v1 .