diff --git a/docs/API/common.rst b/docs/API/common.rst
new file mode 100644
index 0000000..9ecc4c2
--- /dev/null
+++ b/docs/API/common.rst
@@ -0,0 +1,9 @@
+🔗 Common API
+=============================
+
+.. currentmodule:: serket
+
+.. autofunction:: tree_state
+.. autofunction:: tree_eval
+.. autofunction:: def_init_entry
+.. autofunction:: def_act_entry
\ No newline at end of file
diff --git a/docs/index.rst b/docs/index.rst
index 2168d85..c3069ee 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -76,23 +76,20 @@ Install from github::
 
 .. toctree::
     :caption: Examples
-    :maxdepth: 2
+    :maxdepth: 1
     
     examples
 
 
 .. currentmodule:: serket
     
-.. autofunction:: tree_state
-.. autofunction:: tree_eval
-.. autofunction:: def_init_entry
-.. autofunction:: def_act_entry
 
 
 .. toctree::
     :caption: API Documentation
     :maxdepth: 1
-
+    
+    API/common
     API/nn
     API/image
     API/pytreeclass