--- a/usr/src/lib/libzfs/common/libzfs_dataset.c	Tue Feb 05 11:45:22 2008 -0800
+++ b/usr/src/lib/libzfs/common/libzfs_dataset.c	Tue Feb 05 14:44:45 2008 -0800
@@ -20,7 +20,7 @@
  */
 
 /*
- * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
+ * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  */
 
@@ -1689,7 +1689,7 @@
 
 		case ENOTSUP:
 			zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
-			    "pool must be upgraded to set this "
+			    "pool and or dataset must be upgraded to set this "
 			    "property or value"));
 			(void) zfs_error(hdl, EZFS_BADVERSION, errbuf);
 			break;