diff --git a/source/_components/sensor.template.markdown b/source/_components/sensor.template.markdown
index 7d612f01607..e22d329efb0 100644
--- a/source/_components/sensor.template.markdown
+++ b/source/_components/sensor.template.markdown
@@ -54,7 +54,7 @@ sensor:
         required: false
         type: string, list
       unit_of_measurement:
-        description: Defines the units of measurement of the sensor, if any.
+        description: "Defines the units of measurement of the sensor, if any. This will also influence the graphical presentation in the history visualisation as continuous value. Sensors with missing `unit_of_measurement` are showing as discrete values."
         required: false
         type: string
       value_template: