diff --git a/Instructions/Labs/LAB_09a-Implement_Web_Apps.md b/Instructions/Labs/LAB_09a-Implement_Web_Apps.md
index ac287865..128c8352 100644
--- a/Instructions/Labs/LAB_09a-Implement_Web_Apps.md
+++ b/Instructions/Labs/LAB_09a-Implement_Web_Apps.md
@@ -24,6 +24,10 @@ In this lab, you will:
 
 ## Estimated timing: 30 minutes
 
+## Architecture diagram
+
+![image](../media/lab09a.png)
+
 ## Instructions
 
 ### Exercise 1