diff --git a/docs/source/api/csst_proto.rst b/docs/source/api/csst_proto.rst
index c48cffe04116f8f73c18fb402cc2cfc8370f76d4..2039436bc9a36a6fe00e3d8c459f9b20117db83b 100644
--- a/docs/source/api/csst_proto.rst
+++ b/docs/source/api/csst_proto.rst
@@ -4,7 +4,7 @@ API
 In this chapter, we show what the rendered Numpy-style docstring looks like
 in sphinx documentation.
 
-.. automodule:: csst_proto.top_level_interface
+.. automodule:: csst_proto.api
    :noindex:
    :members:
    :undoc-members:
diff --git a/docs/source/ch04_codestyle.rst b/docs/source/ch04_codestyle.rst
index 6a2c2023cebc819eee81ab83284eb652dc15bb2d..6363bfb3a6f167319bd5da11dfb9e376c256a4d9 100644
--- a/docs/source/ch04_codestyle.rst
+++ b/docs/source/ch04_codestyle.rst
@@ -96,7 +96,7 @@ In our case, we recommend the following method to check docstring
 
 .. code-block:: bash
 
-    python -m numpydoc --validate {YOUR_PACKAGE}.top_level_interface.{YOUR_FUNCTION/CLASS}
+    python -m numpydoc --validate {YOUR_PACKAGE}.api.{YOUR_FUNCTION/CLASS}
 
 For example,