Add pairing guide for Hue smart button (Koenkk#1728)

* Add pairing guide for Hue smart button

* Update 8718699693985.md

Co-authored-by: Koen Kanters <[email protected]>

Author: Chuckame

docs/devices/8718699693985.md

@@ -23,8 +23,10 @@ pageClass: device-page
 
 
 <!-- Notes BEGIN: You can edit here. Add "## Notes" headline if not already present. -->
+## Notes
 
-
+### Pairing
+Factory reset the Hue smart button by just removing the protection behind, and short press the reset button (Important: Long press is not making the device in pairing mode). You will see led orange flashes indicating the pairing mode.
 <!-- Notes END: Do not edit below this line -->
 
 ## OTA updates