Replace 'directory' by 'set' to avoid confusion. See "dirread() and dirreadall()" on comp.os.plan9.

Notes:
Sun Jul 6 18:13:55 EDT 2008 geoff
    dirread(2) is sufficiently clear.


Reference: /n/sources/patch/sorry/dirread-man
Date: Wed Jul  2 22:04:08 CES 2008
Signed-off-by: djeannot24@gmail.com
Reviewed-by: geoff

--- /sys/man/2/dirread	Wed Jul  2 22:01:27 2008
+++ /sys/man/2/dirread	Wed Jul  2 22:01:24 2008
@@ -24,7 +24,7 @@
 in a machine-independent format, exactly equivalent to
 the result of a
 .IR stat (2)
-on each file or subdirectory in the directory.
+on each file or subdirectory in the set.
 .I Dirread
 decodes the directory entries into a machine-dependent form.
 It reads from