diff --git a/README.md b/README.md
index e57008c..436260b 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,9 @@
 powershell-scripts
 
+```language-plantuml
 Alice -> Bob: Authentication Request
 Bob --> Alice: Authentication Response
 
 Alice -> Bob: Another authentication Request
-Alice <-- Bob: Another authentication Response
\ No newline at end of file
+Alice <-- Bob: Another authentication Response
+```
\ No newline at end of file