diff --git a/demo/image_classification/vgg_16_cifar.py b/demo/image_classification/vgg_16_cifar.py
old mode 100644
new mode 100755
index 238608c3cbede14c7a74f40e81b5a1ca28fc3eee..e8b8af4bd313d0738aafab8da93fc510e40cc3d6
--- a/demo/image_classification/vgg_16_cifar.py
+++ b/demo/image_classification/vgg_16_cifar.py
@@ -44,7 +44,7 @@ data_size=3*32*32
 label_size=10
 img = data_layer(name='image',
                  size=data_size)
-# small_vgg is predined in trainer_config_helpers.network
+# small_vgg is predefined in trainer_config_helpers.networks
 predict = small_vgg(input_image=img,
                     num_channels=3,
                     num_classes=label_size)