diff --git a/IMPLEMENTATION.md b/IMPLEMENTATION.md
index e906923..0b0c1ec 100644
--- a/IMPLEMENTATION.md
+++ b/IMPLEMENTATION.md
@@ -40,7 +40,7 @@ Cast SDK API calls are translated into Chromecast protocol messages and sent via
 
 # Messages (WIP)
 
-<img src="diagram.png" width="537">
+<img src="diagram.png" width="866">
 
 | No. | Subject                                       | Origin     | Destination | Description |
 | --: | --------------------------------------------- | ---------- | ----------- | ----------- |
diff --git a/diagram.png b/diagram.png
index 546c9b4..69f31d4 100644
Binary files a/diagram.png and b/diagram.png differ