diff --git a/plantStructC4.adoc b/plantStructC4.adoc
index 6e77283..e8ee8ad 100644
--- a/plantStructC4.adoc
+++ b/plantStructC4.adoc
@@ -14,4 +14,4 @@ https://crashedmind.github.io/PlantUMLHitchhikersGuide/
 http://plantuml.com/guide
  <= Plantuml Guide in PDF +
  https://forum.plantuml.net/5852/data-flow-diagrams
- <= data flow diagrams using dot (layer under plantuml) +
+ <= data flow diagrams using Graphviz dot (layer under plantuml) +