diff --git a/tech_docs/PlantUML.md b/tech_docs/PlantUML.md
index 85de11e..7966d73 100644
--- a/tech_docs/PlantUML.md
+++ b/tech_docs/PlantUML.md
@@ -310,7 +310,7 @@ class Car {
 PlantUML is a powerful tool for creating a wide range of diagrams, providing a text-based approach to diagramming that is both versatile and integrative. By leveraging these diagrams, you can effectively model, document, and communicate various aspects of a system, from high-level architecture to detailed design.
 
 ---
-
+```mermaid
 graph TD
     subgraph Messaging_Infrastructure
         NATS_Server[NATS Server]
@@ -342,3 +342,4 @@ graph TD
     Subscriber_1 -->|Process message| Service_A
     Subscriber_2 -->|Process message| Service_B
     Subscriber_3 -->|Process message| Service_A
+```
\ No newline at end of file