Modification of classes inheritance in README.md

AUTHORS

 * Webu (webu.coop) https://github.com/webu
 * Dylann CORDEL <d.cordel@webu.coop> https://github.com/dylannCordel
 * Olivier Le Brouster <o.lebrouster@webu.coop>
+* Alexis CLEMENT <a.clement@webu.coop> https://github.com/herawo

README.md

@@ -28,8 +28,9 @@ newsbox_i18n, add those too.
 For basic news, you just have to inherit from NewsboxCMSBase :
 
     from newsbox_cms.models import NewsboxCMSBase
+    from newsbox.models import NewsboxBase
     
-    class News(NewsboxCMSBase):
+    class News(NewsboxCMSBase, NewsboxBase):
         
         class Meta:
             newsbox_detail_url_name = "news_detail"  # optional
@@ -64,18 +65,17 @@ For the plugin, you just have to inherit from NewsboxPluginBase :
         newsbox_model = News
 
 
-### cms_app.py
+### cms_apps.py
 
 Nothing special here. Just create your basic cms app :
-
+	
     from cms.app_base import CMSApp
     from cms.apphook_pool import apphook_pool
 
+	@apphook_pool.register
     class NewsApphook(CMSApp):
         name = _("News")
         urls = ["myproject.news_urls"]
-    
-    apphook_pool.register(NewsApphook)
 
 
 ### news_urls.py