diff --git a/README.md b/README.md
index d2fd466..b27aff3 100644
--- a/README.md
+++ b/README.md
@@ -75,12 +75,17 @@ The **Scouter** workflow is the main entry point for data processing pipelines.
 #### Architecture
 
 ```mermaid
-flowchart LR
-    A[1. get_last_data_timestamp] --> B[2. load_latest_data] --> C[3. put_last_data_timestamp] --> D[4. core_scouter ⬛]
+flowchart TB
+    subgraph " "
+        A[1. get_last_data_timestamp] --- B[2. load_latest_data] --- C[3. put_last_data_timestamp] --- D[4. core_scouter ⬛]
+    end
+    subgraph " "
+        Redis[(Redis)] ~~~ MongoDB[(MongoDB)] ~~~ Redis2[(Redis)]
+    end
     
-    A -.-> Redis[(Redis)]
-    B -.-> MongoDB[(MongoDB)]
-    C -.-> Redis
+    A -.-> Redis
+    B -.-> MongoDB
+    C -.-> Redis2
 ```
 
 ### Key Components