--- a/usr/src/lib/libzfs/common/libzfs_pool.c	Tue May 22 11:48:16 2007 -0700
+++ b/usr/src/lib/libzfs/common/libzfs_pool.c	Tue May 22 14:36:20 2007 -0700
@@ -587,7 +587,7 @@
 
 		case EDOM:
 			zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
-			    "root pool can not have concatenated devices"));
+			    "root pool can not have multiple vdevs"));
 			(void) zfs_error(hdl, EZFS_POOL_NOTSUP, msg);
 			break;