--- Libc/Libc-583/stdio/printf.3
+++ Libc/Libc-498.1.1/stdio/printf.3
@@ -219,10 +219,6 @@
 effectively assume an infinite
 .Fa n .
 .Pp
-For those routines that write to a user-provided character string,
-that string and the format strings should not overlap, as the
-behavior is undefined.
-.Pp
 The format string is composed of zero or more directives:
 ordinary
 .\" multibyte