diff --git a/HOW_IT_WORKS.md b/HOW_IT_WORKS.md
index acaf8f8..8e48ca4 100644
--- a/HOW_IT_WORKS.md
+++ b/HOW_IT_WORKS.md
@@ -29,7 +29,7 @@ go donutEngine.Serve(DonutParameters{
 sequenceDiagram
     actor User
 
-    box Navy
+    box Cornsilk
         participant browser
     end
 
@@ -94,4 +94,4 @@ classDiagram
     WebRTC *-- Signaling
     Prober *-- DonutEngine
     Streamer *-- DonutEngine
-```
\ No newline at end of file
+```