diff --git a/docs/changelog.rst b/docs/changelog.rst
index 5dd5bbe..5548478 100644
--- a/docs/changelog.rst
+++ b/docs/changelog.rst
@@ -1,6 +1,11 @@
 Changelog
 =========
 
+0.6
+ 
+ * Compatibility python 2 and 3
+ * Possibility to add custom css and js 
+
 0.5 (2017-06-04)
 
  * Add audio HTML5 player https://prosopopee.readthedocs.org/en/latest/sections.html#audio by beudbeud
diff --git a/docs/theme.rst b/docs/theme.rst
new file mode 100644
index 0000000..88dd339
--- /dev/null
+++ b/docs/theme.rst
@@ -0,0 +1,24 @@
+Theming
+=======
+
+Custom css and js
+-----------------
+
+You can add easily css code and js code. You need create custom.css or custom.js
+in root directory.
+
+Override template
+-----------------
+
+If you wanna override template, you need create a "templates" directory and create your own template.
+
+* home page : index.html
+* gallery page: gallery-index.html
+
+And for override sections you need create file in "templates/sections".
+
+
+Create theme
+------------
+
+TODO