diff --git a/docs/docs/api_reference.rst b/docs/docs/api_reference.rst
index 2e16d4d..4535a57 100644
--- a/docs/docs/api_reference.rst
+++ b/docs/docs/api_reference.rst
@@ -3,16 +3,31 @@ API Reference
 
 Below is the complete reference for Optifik's public API.
 
+
+
+io
+--
 .. automodule:: optifik.io
    :members:
    :undoc-members:
    :show-inheritance:
 
+fft
+---
+.. automodule:: optifik.fft
+   :members:
+   :undoc-members:
+   :show-inheritance:
+
+minmax
+------
 .. automodule:: optifik.minmax
    :members:
    :undoc-members:
    :show-inheritance:
 
+scheludko
+---------
 .. automodule:: optifik.scheludko
    :members:
    :undoc-members: