diff --git a/plantuml-c4-structurizr.adoc b/plantuml-c4-structurizr.adoc
index b075fe9..ef6da85 100644
--- a/plantuml-c4-structurizr.adoc
+++ b/plantuml-c4-structurizr.adoc
@@ -35,7 +35,7 @@ plantuml structurizr-SystemContext.puml
 ```
 *rendered graphic file is 'structurizr-SystemContext.png'*
 
-image::images/structurizr-SystemContext.png[]
+image::images/structurizr-SystemContext.png[role="related thumb right"]
 
 *quick view of the rendered png file*
 ```