diff --git a/fs/cifs/README b/fs/cifs/README
index 080c5eb..93fe359 100644
--- a/fs/cifs/README
+++ b/fs/cifs/README
@@ -257,13 +257,19 @@
 		mount.	
   domain	Set the SMB/CIFS workgroup name prepended to the
 		username during CIFS session establishment
-  uid		If CIFS Unix extensions are not supported by the server
-		this overrides the default uid for inodes. For mounts to
-		servers which do support the CIFS Unix extensions, such
-		as a properly configured Samba server, the server provides
-		the uid, gid and mode.  For servers which do not support
-		the Unix extensions, the default uid (and gid) returned on
-		lookup of existing files is the uid (gid) of the person
+  uid		Set the default uid for inodes. For mounts to servers
+		which do support the CIFS Unix extensions, such as a
+		properly configured Samba server, the server provides
+		the uid, gid and mode so this parameter should  not be
+		specified unless the server and clients uid and gid
+		numbering differ.  If the server and client are in the
+		same domain (e.g. running winbind or nss_ldap) and
+		the server supports the Unix Extensions then the uid
+		and gid can be retrieved from the server (and uid
+		and gid would not have to be specifed on the mount. 
+		For servers which do not support the CIFS Unix
+		extensions, the default uid (and gid) returned on lookup
+		of existing files will be the uid (gid) of the person
 		who executed the mount (root, except when mount.cifs
 		is configured setuid for user mounts) unless the "uid=" 
 		(gid) mount option is specified.  For the uid (gid) of newly
@@ -281,8 +287,7 @@
 		the client.  Note that the mount.cifs helper must be
 		at version 1.10 or higher to support specifying the uid
 		(or gid) in non-numberic form.
-  gid		If CIFS Unix extensions are not supported by the server
-		this overrides the default gid for inodes.
+  gid		Set the default gid for inodes (similar to above).
   file_mode     If CIFS Unix extensions are not supported by the server
 		this overrides the default mode for file inodes.
   dir_mode      If CIFS Unix extensions are not supported by the server