experimenting/Light-edge-action.md

@@ -73,6 +73,6 @@ Check buzzer configuration in **DEVICE/Resources**. You can configure it in a wa
 
 Then, put your finger on the [light sensor](http://mangoh.io/uploaded-documents/Reference/mangOH%20Yellow/Discover/HW%20Reference%20Manual/41113116%20mangOH%20Yellow%20HW%20Guide%20-%20HTML5-Responsive%20HTML5/#t=41113116_mangOH_Yellow_HW_Guide_-_HTML5%2FHardware%2FHardware.htm) so that light level value falls below 2.0. After around 15 seconds (and in any case less than 30 seconds), the buzzer starts making a sound.
 
-You can remove the *light* observation on the device (**DEVICE/Observations** page). The *light* stream on the device won't be updated anymore. Of course, this will be the same for the *light* cloud stream. But the device actions is still active.
+You can remove the *light* observation on the device (**DEVICE/Observations** page). The *light* stream on the device won't be updated anymore. Of course, this will be the same for the *light* cloud stream. But the device action is still active.
 
 [Reference](https://docs.octave.dev/references/edge/action_runner_reference/)
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