Index: head/lib/libc/gen/exec.3
===================================================================
--- head/lib/libc/gen/exec.3
+++ head/lib/libc/gen/exec.3
@@ -28,7 +28,7 @@
 .\"     @(#)exec.3	8.3 (Berkeley) 1/24/94
 .\" $FreeBSD$
 .\"
-.Dd July 28, 2018
+.Dd March 22, 2020
 .Dt EXEC 3
 .Os
 .Sh NAME
@@ -310,6 +310,11 @@
 functions
 conform to
 .St -p1003.1-88 .
+.Sh HISTORY
+The
+.Fn exec
+function appeared in
+.At v1.
 The
 .Fn execvP
 function first appeared in