diff --git a/Doku/Übersicht.puml b/Doku/Übersicht.puml
index 939b88c..17a6c76 100644
--- a/Doku/Übersicht.puml
+++ b/Doku/Übersicht.puml
@@ -6,9 +6,11 @@ node ioBroker as i
 database influxDB as db
 node Grafana as g
 node dashboard as d #gold
+node Calendar as c
 
 r -0)- i
 i -(0- db
 g -(0- db
 i -0)- d
+c -0)- i
 @enduml
\ No newline at end of file