diff --git a/lib/libc/sys/getdirentries.2.sav b/lib/libc/sys/getdirentries.2
--- a/lib/libc/sys/getdirentries.2.sav
+++ b/lib/libc/sys/getdirentries.2
@@ -28,7 +28,7 @@
 .\"	@(#)getdirentries.2	8.2 (Berkeley) 5/3/95
 .\" $FreeBSD$
 .\"
-.Dd March 30, 2020
+.Dd February 14, 2021
 .Dt GETDIRENTRIES 2
 .Os
 .Sh NAME
@@ -89,7 +89,7 @@
 .Fa d_fileno .
 The
 .Fa d_off
-field returns a cookie which can be used with
+field returns a cookie which, if non-zero, can be used with
 .Xr lseek 2
 to position the directory descriptor to the next entry.
 The
@@ -148,14 +148,16 @@
 .Pc ,
 a value returned in the
 .Fa d_off
-field,
+field if it is non-zero,
 or zero.
 .Sh IMPLEMENTATION NOTES
 The
 .Fa d_off
-field is being used as a cookie to readdir for nfs servers.
-These cookies can be cached and allow to read directory entries at a specific
-offset on demand.
+field is currently set to 0 by the NFS client, since the
+directory offset cookies returned by an NFS server cannot
+be used by
+.Xr lseek 2
+at this time.
 .Sh RETURN VALUES
 If successful, the number of bytes actually transferred is returned.
 Otherwise, -1 is returned and the global variable