diff --git a/docs/architecture.md b/docs/architecture.md
index fbc685a..94c99d2 100644
--- a/docs/architecture.md
+++ b/docs/architecture.md
@@ -7,8 +7,9 @@ flowchart TB
         subgraph rest[REST Interface]
             flask[Flask]
             swag[flasgger]
+            swaggerui[Swagger UI]
+            swag-->swaggerui
             flask-->swag
-            swag-->swaggerui[Swagger UI]
         end
 
         subgraph hw[Hardware Interface]
@@ -20,10 +21,13 @@ flowchart TB
             soapy<-->plugins
         end
 
-        flask<-->soapy
+        %%soapy<-->flask
+        rest-->hw
+        hw-->rest
 
-        subgraph radio[DSP Chain]
-            demod[fm_demod.py]
+
+        subgraph radio["DSP Chain　　　　　　　　　　`"]
+            demod["FM Demodulator\n(fm_demod.py)"]
             ffmpeg
         end
         mediamtx["RTSP Relay\n(MediaMTX)"]
@@ -45,18 +49,21 @@ flowchart TB
         swaggerui<-->|HTTP:5000|caddy
         mediamtx-.->|RTSP:8554|l4
     end
-    style microservice opacity: 0.2
+    style microservice opacity: 0.5
 
     %%rtlsdr[RTL-SDR Driver]-->soapyrtlsdr
     %%sdrplay[SDRPlay Driver]-->soapysdrplay
 
-    subgraph client[Client]
+    subgraph client["Client"]
         control["REST Client\n(Browser)"]
         rtsp["RTSP Renderer\n(VLC)"]
+        rtp["RTP Sink\n(VLC/ffplay)"]
+        style rtp stroke-dasharray: 3 3,opacity: 0.5
     end
-    style client opacity: 0.2
+    style client opacity: 0.5
 
     caddy<-->|HTTPS:443|control
     l4-.->|RTSPS|rtsp
-    mediamtx-->|RTSP:8554|rtsp
+    mediamtx-->|RTSP|rtsp
+    ffmpeg-.->|RTP|rtp
 ```
\ No newline at end of file