diff --git a/README.md b/README.md
index 825d6a0..6cdeef9 100644
--- a/README.md
+++ b/README.md
@@ -25,7 +25,7 @@
 
 
 
-[c4plantuml]
+``` c4plantuml
 ....
 @startuml
 !include C4_Context.puml
@@ -131,3 +131,4 @@ Rel(marketplaceFront, socialAuthService, "")
 Rel(marketplaceFront, penaDisk, "")
 @enduml
 ....
+```