diff --git a/docs/MQTT-API.md b/docs/MQTT-API.md
index ad7ff51..a58b803 100644
--- a/docs/MQTT-API.md
+++ b/docs/MQTT-API.md
@@ -64,6 +64,8 @@ Depending on device configuration (`Settings` --> `Configuration` --> section `G
 #### ctrl/flow_start
 Trigger a flow start by publishing to this topic.
 
+This will automatically reset the flow interval.
+
 #### ctrl/set_prevalue
 
 !!! Note