diff --git a/doc/img/signal_flow.png b/doc/img/signal_flow.png
index 34adf13..1f47957 100644
Binary files a/doc/img/signal_flow.png and b/doc/img/signal_flow.png differ
diff --git a/doc/signal_flow.odg b/doc/signal_flow.odg
index f4717fc..fc35fe0 100644
Binary files a/doc/signal_flow.odg and b/doc/signal_flow.odg differ