diff --git a/plantStructC4.adoc b/plantStructC4.adoc
index 972f5b6..d261cca 100644
--- a/plantStructC4.adoc
+++ b/plantStructC4.adoc
@@ -1,8 +1,8 @@
-=== plantStructC4.adoc
+== plantStructC4.adoc
 
-==== Diagramming IAM with PlantUML, Structurizr, Dot, and C4 models
+=== Diagramming IAM with PlantUML, Structurizr, Dot, and C4 models
 
-===== Start simple
+==== Start simple
 
 Open Online PlantUML Server: http://www.plantuml.com/plantuml/uml/SyfFKj2rKt3CoKnELR1Io4ZDoSa70000 
 
@@ -39,7 +39,7 @@ https://forum.plantuml.net/5852/data-flow-diagrams
  
  - - -
  
-===== Advance to C4 model construction with Structurizr
+==== Advance to C4 model construction with Structurizr
  
 https://github.com/structurizr/cli/blob/master/docs/getting-started.md
   <= Structurizr getting started page +