diff --git a/source/_components/sensor.postnl.markdown b/source/_components/sensor.postnl.markdown
index 991aba720c5..29a193a3416 100644
--- a/source/_components/sensor.postnl.markdown
+++ b/source/_components/sensor.postnl.markdown
@@ -15,6 +15,8 @@ ha_iot_class: "Cloud Polling"
 
 The `postnl` platform allows one to track deliveries by [PostNL](https://www.postnl.nl) (Dutch Postal Services). To use this sensor, you need a [PostNL Account](https://jouw.postnl.nl). It is possible to add multiple accounts to your Home Assistant configuration.
 
+The sensor value shows the number of packages to be delivered. Each of the packages is available as an attribute.
+
 ## {% linkable_title Configuration %}
 
 To enable this sensor, add the following lines to your `configuration.yaml`: