Check dataset shape correctness
diff --git a/examples/largedataset_cnn/train_largedata.py b/examples/largedataset_cnn/train_largedata.py
index adba9ce..69097a4 100755
--- a/examples/largedataset_cnn/train_largedata.py
+++ b/examples/largedataset_cnn/train_largedata.py
@@ -143,7 +143,7 @@
                                                    train_x, train_y, val_x,
                                                    val_y)
     '''
-    # check dataset shape correctness
+    # Check dataset shape correctness
     if global_rank == 0:
         print("Check the shape of dataset:")
         print(train_x.shape)
@@ -183,7 +183,7 @@
         if global_rank == 0:
             print('Starting Epoch %d:' % (epoch))
 
-        # Training Phase
+        # Training phase
         train_correct = np.zeros(shape=[1], dtype=np.float32)
         test_correct = np.zeros(shape=[1], dtype=np.float32)
         train_loss = np.zeros(shape=[1], dtype=np.float32)
@@ -218,7 +218,7 @@
                    (num_train_batch * batch_size * world_size)),
                   flush=True)
 
-        # Evaluation Phase
+        # Evaluation phase
         model.eval()
         for b in range(num_val_batch):
             x = val_x[b * batch_size:(b + 1) * batch_size]