diff --git a/jfda/minibatch.py b/jfda/minibatch.py
index 23eda10..75f7b91 100644
--- a/jfda/minibatch.py
+++ b/jfda/minibatch.py
@@ -8,7 +8,7 @@
 
 class MiniBatcher(multiprocessing.Process):
   '''generate minibatch
-  given a queue, put (positives, negatives, part faces, landmark faces) = (n1, n2, n3, n4)
+  given a queue, put (negatives, positives, part faces, landmark faces) = (n1, n2, n3, n4)
   '''
 
   def __init__(self, db_names, ns, net_type):
diff --git a/layers/data_layer.py b/layers/data_layer.py
index 8186365..24be6af 100644
--- a/layers/data_layer.py
+++ b/layers/data_layer.py
@@ -40,7 +40,7 @@ def set_batch_num(self, n1, n2, n3, n4):
     self.net_input_size = cfg.NET_INPUT_SIZE[cfg.NET_TYPE]
 
   def set_data_queue(self, queue):
-    '''the queue should put a minibatch with size of (positives, negatives, part faces, landmark faces) =
+    '''the queue should put a minibatch with size of (negatives, positives, part faces, landmark faces) =
     (n1, n2, n3, n4) in a dict
     '''
     self.data_queue = queue