diff --git a/docs/en/tutorials/customize_models.md b/docs/en/tutorials/customize_models.md
index f637fd6f0..93ce8f04e 100644
--- a/docs/en/tutorials/customize_models.md
+++ b/docs/en/tutorials/customize_models.md
@@ -85,7 +85,7 @@ Here we show how to develop new components with an example of MobileNet.
 ```python
 import torch.nn as nn
 
-from ..registry import BACKBONES
+from ..builder import BACKBONES
 
 
 @BACKBONES.register_module
diff --git a/docs/zh_cn/tutorials/customize_models.md b/docs/zh_cn/tutorials/customize_models.md
index c92d7db23..69fb09b4b 100644
--- a/docs/zh_cn/tutorials/customize_models.md
+++ b/docs/zh_cn/tutorials/customize_models.md
@@ -83,7 +83,7 @@ MMSegmentation 里主要有2种组件：
 ```python
 import torch.nn as nn
 
-from ..registry import BACKBONES
+from ..builder import BACKBONES
 
 
 @BACKBONES.register_module