diff --git a/docs/diagrams/UiClassDiagram.puml b/docs/diagrams/UiClassDiagram.puml
index a4bc4f7bb59..9b387278b63 100644
--- a/docs/diagrams/UiClassDiagram.puml
+++ b/docs/diagrams/UiClassDiagram.puml
@@ -73,6 +73,7 @@ HelpWindow -[hidden]left- CommandBox
 CommandBox -[hidden]left- ResultDisplay
 ResultDisplay -[hidden]left- StatusBarFooter
 StatusBarFooter -[hidden]left- HelpWindow
+HelpWindow -[hidden]left- Timetable
 
 MainWindow -[hidden]-|> UiPart
 @enduml
diff --git a/docs/images/UiClassDiagram.png b/docs/images/UiClassDiagram.png
index 53791d7374e..850a5fa2e4e 100644
Binary files a/docs/images/UiClassDiagram.png and b/docs/images/UiClassDiagram.png differ