diff --git a/docs/PYTHON_API.md b/docs/PYTHON_API.md
index d5f8491..d70b9ca 100644
--- a/docs/PYTHON_API.md
+++ b/docs/PYTHON_API.md
@@ -93,4 +93,4 @@ Raises `ValueError` with descriptive messages for crypto failures, replay, and b
 
 ## Further reading
 
-[Security model and assumptions](../SECURITY.md)
+[Security model and assumptions](./SECURITY.md)