Minor wording improvements.

Author: Steven de Salas

lib/dynamo-restore.js

@@ -315,7 +315,7 @@ DynamoRestore.prototype._sendBatch = function() {
         var unprocessedItems = data && data.UnprocessedItems && data.UnprocessedItems[options.table] || [];
         if (unprocessedItems.length) {
             // Retry unprocessed items
-            this.emit('warning', 'Retrying ' + unprocessedItems.length + ' unprocessed items');
+            this.emit('warning', unprocessedItems.length + ' unprocessed items. Add to queue and back off a bit.');
             this.batches.push({
                 items: unprocessedItems,
                 attempts: batch.attempts + 1