diff --git a/ch01/forward_net.py b/ch01/forward_net.py
index baab0e47..03458d36 100644
--- a/ch01/forward_net.py
+++ b/ch01/forward_net.py
@@ -37,7 +37,7 @@ def __init__(self, input_size, hidden_size, output_size):
             Affine(W2, b2)
         ]
 
-        # すべての重みと勾配をリストにまとめる
+        # すべての重みをリストにまとめる
         self.params = []
         for layer in self.layers:
             self.params += layer.params