diff --git a/substrate/core/node_ext/box.py b/substrate/core/node_ext/box.py
index eef55ca..72be961 100644
--- a/substrate/core/node_ext/box.py
+++ b/substrate/core/node_ext/box.py
@@ -31,7 +31,7 @@ def __init__(self, value: Union[Future, Any], hide=False, **kwargs):
         Args:
             value: Value to return.
 
-        https://substrate.run/nodes#Box
+        https://guides.substrate.run/reference/box
         """
         super().__init__(value=value, hide=hide, out_type=BoxOut, **kwargs)
         self.node = "Box"