diff --git a/docs/tutorial_attention.md b/docs/tutorial_attention.md
index ede2235..e8a8458 100644
--- a/docs/tutorial_attention.md
+++ b/docs/tutorial_attention.md
@@ -59,9 +59,6 @@ import tensorflow as tf
 
 class AttentionSelfPZhouCNNConfig(CNNConfig):
 
-    def __init__(self):
-        super(AttentionSelfPZhouCNNConfig, self).__init__()
-
     @property
     def BiasInitializer(self):
         return tf.constant_initializer(0.1)
@@ -71,4 +68,4 @@ class AttentionSelfPZhouCNNConfig(CNNConfig):
         return tf.contrib.layers.xavier_initializer()
 ```
 
-Finally the developed model and configuration could be passed into `train(...)` function in oder to use it.
\ No newline at end of file
+Finally the developed model and configuration could be passed into `train(...)` function in oder to use it.