Index: share/man/man3/assert.3
===================================================================
--- share/man/man3/assert.3
+++ share/man/man3/assert.3
@@ -28,7 +28,7 @@
 .\"     @(#)assert.3	8.1 (Berkeley) 6/9/93
 .\" $FreeBSD$
 .\"
-.Dd January 1, 2018
+.Dd May 28, 2018
 .Dt ASSERT 3
 .Os
 .Sh NAME
@@ -76,6 +76,11 @@
 is defined determines the behavior of assert from that point forward
 until the end of the unit or another include of
 .In assert.h .
+.Pp
+The
+.Fn assert
+shall not be used on runtime data and instead an error strategy shall be
+adopted.
 .Sh EXAMPLES
 The assertion:
 .Pp