diff --git a/docs/02algorithms/09error/index.mdx b/docs/02algorithms/09error/index.mdx
index 2062cca7c..f48bb40e4 100644
--- a/docs/02algorithms/09error/index.mdx
+++ b/docs/02algorithms/09error/index.mdx
@@ -162,6 +162,6 @@ $$
 
 <ViewSource path="/error/loss.ipynb" />
 
-<ViewSource path="/error/loss_error.ipynb" />
+<ViewSource path="/error/loss_correct.ipynb" />
 
 <!-- ## 打ち切り誤差 -->