diff --git a/source/_integrations/statistics.markdown b/source/_integrations/statistics.markdown
index fb24cd708b1..f94d313a778 100644
--- a/source/_integrations/statistics.markdown
+++ b/source/_integrations/statistics.markdown
@@ -52,7 +52,7 @@ sampling_size:
   default: 20
   type: integer
 max_age:
-  description: Maximum age of measurements. Setting this to a time interval will cause older values to be discarded. Please note that you might have to increase the [sampling_size](/integrations/statistics#sampling_size) parameter. If you e.g., have a sensor value updated every second you will, by default, only get a max_age of 20s.
+  description: Maximum age of measurements. Setting this to a time interval will cause older values to be discarded. Please note that you might have to increase the [sampling_size](/integrations/statistics#sampling_size) parameter. If you e.g., have a sensor value updated every second you will, by default, only get a max_age of 20s. Furthermore the sensor gets `unkown` if the entity is not updated within the time interval.
   required: false
   type: time
 precision: