diff --git a/egs/librispeech/ASR/conformer_ctc/gigaspeech_datamodule.py b/egs/librispeech/ASR/conformer_ctc/gigaspeech_datamodule.py
index 653f82873..774a61941 100644
--- a/egs/librispeech/ASR/conformer_ctc/gigaspeech_datamodule.py
+++ b/egs/librispeech/ASR/conformer_ctc/gigaspeech_datamodule.py
@@ -375,7 +375,8 @@ class GigaSpeechAsrDataModule(DataModule):
     def __iter__(self):
       # work horse for inexhuastible_train_dataloaders
       while True:
-        # self.total_train_cuts / self.consumed_cuts should be contained by child class
+        # self.total_train_cuts == 0 for the first run
+        # self.consumed_cuts  == self.total_train_cuts for recreating dataloader
         if self.total_train_cuts == 0 and self.consumed_cuts == self.total_train_cuts:
           self.train_dl = self.train_dataloaders()
           self.consumed_cuts = 0