--- Libc/Libc-583/string/strcat.3
+++ Libc/Libc-498.1.7/string/strcat.3
@@ -83,9 +83,6 @@
 .Fa s2 ,
 and then adds a terminating
 .Ql \e0 .
-.Pp
-The source and destination strings should not overlap, as the
-behavior is undefined.
 .Sh RETURN VALUES
 The
 .Fn strcat