--- a/src/source/howto-renderer.rst	Wed May 23 14:24:30 2018 +0200
+++ b/src/source/howto-renderer.rst	Fri May 25 09:47:12 2018 +0200
@@ -43,13 +43,12 @@
 In the previous point, we did not change the settings interface of the renderer.
 However, we can define a new settings interface for the new renderer, for that we start by creating an interface
 
-a) Create interface
-"""""""""""""""""""
+a) Create setting interface
+"""""""""""""""""""""""""""
 
 
 .. code-block:: python
 
-
     class ICustomRendererSettings(Interface):
         """Custom renderer settings interface"""
 
@@ -68,8 +67,8 @@
 
 
 
-b) Implement interface
-""""""""""""""""""""""
+b) Create an implemantation of the interface
+""""""""""""""""""""""""""""""""""""""""""""
 
 .. code-block:: python
 
@@ -90,8 +89,10 @@
 
 
 
-c) Create the adapter
-"""""""""""""""""""""
+c) Create an adapter for the render setting interface
+"""""""""""""""""""""""""""""""""""""""""""""""""""""
+
+With the wrapper :py:func:`@adapter_config()` we declare a new adapter.
 
 .. code-block:: python
 
@@ -103,12 +104,18 @@
         return get_annotation_adapter(context, CUSTOM_RENDERER_SETTINGS_KEY,
                                       CustomRendererSettings)
 
+In this example the settings interface adapter is defined with `IContactParagraph` as context
+and provide `ICustomRendererSettings`.
 
 d) Add settings interface renderer
 """"""""""""""""""""""""""""""""""
 
+In the renderer definition:
+
 .. code-block:: python
         settings_interface = ICustomRendererSettings
 
-By linking a setting_interface with renderer you can use directly in the template, setting attributs
 
+.. tip::
+    When a setting_interface is associated to a renderer, you can acces to `settings` attributs through the template
+