diff --git a/source/_components/binary_sensor.workday.markdown b/source/_components/binary_sensor.workday.markdown
index 3864850d146..7730c514fec 100644
--- a/source/_components/binary_sensor.workday.markdown
+++ b/source/_components/binary_sensor.workday.markdown
@@ -37,6 +37,7 @@ Configuration variables:
 Days are specified as follows: `mon`, `tue`, `wed`, `thu`, `fri`, `sat`, `sun`. The keyword `holiday` is used for public holidays identified by the holidays module.
 
 <p class='note warning'>
+If you use the sensor for Norway (`NO`) you need to wrap `NO`in quotes or write the name in full. Otherwise the value is evaluated as `False`.
 If you use the sensor for Canada (`CA`) with Ontario (`ON`) as `province:` then you need to wrap `ON` in quotes. Otherwise the value is evaluated as `True` (check the YAML documentation for further details) and the sensor will not work.
 </p>