Index: contrib/opensolaris/uts/common/fs/zfs/arc.c
===================================================================
--- contrib/opensolaris/uts/common/fs/zfs/arc.c	(revision 195484)
+++ contrib/opensolaris/uts/common/fs/zfs/arc.c	(working copy)
@@ -3557,15 +3557,18 @@ arc_init(void)
 	
 #ifdef __i386__
 	if (prefetch_tunable_set == 0) {
-		printf("ZFS NOTICE: prefetch is disabled by default on i386"
-		    " - add enable to tunable to change.\n" );
+		printf("ZFS NOTICE: Prefetch is disabled by default on i386"
+		    " -- to enable,\n");
+		printf("            add \"vfs.zfs.prefetch_disable=0\" "
+		    "to /boot/loader.conf.\n");
 		zfs_prefetch_disable=1;
 	}
 #else	
 	if ((((uint64_t)physmem * PAGESIZE) < (1ULL << 32)) &&
 	    prefetch_tunable_set == 0) {
-		printf("ZFS NOTICE: system has less than 4GB and prefetch enable is not set"
-		    "... disabling.\n");
+		printf("ZFS NOTICE: System has less than 4GB and "
+		    "vfs.zfs.prefetch_disable\n"
+		    "             is not set to 0; prefetch disabled.\n");
 		zfs_prefetch_disable=1;
 	}
 #endif