diff --git a/draft/high-level-architecture.rst b/draft/high-level-architecture.rst
index c67e05b..0870aaf 100644
--- a/draft/high-level-architecture.rst
+++ b/draft/high-level-architecture.rst
@@ -50,10 +50,19 @@ Specification
 
     Whenever we refer to a previous major version of Celery we will specify the version number.
 
+Diagram
+-------
+
 .. figure:: celery-5-architecture-figure01.png
+  :figwidth: 100%
+  :height: 800px
+  :align: center
 
   High Level Architecture Diagram
 
+Preface
+-------
+
 In Celery 4.x we had the following architectural building blocks:
 
 - :term:`Message Broker`