diff --git a/paul.qmd b/paul.qmd
index b5d1d5d..9a109f6 100644
--- a/paul.qmd
+++ b/paul.qmd
@@ -308,7 +308,7 @@ flowchart TB
     subgraph Application Code
         A2[Use Cases, WatchdogTimer, PreScaler, ProgrammStack, Timer]
     end
-    subgraph Kern
+    subgraph Plugin-Schicht
         A3[Main.java]
     end