diff --git a/source/_integrations/zha.markdown b/source/_integrations/zha.markdown
index d9335e1c836..eb597b72007 100644
--- a/source/_integrations/zha.markdown
+++ b/source/_integrations/zha.markdown
@@ -75,6 +75,13 @@ Some other Zigbee coordinator hardware may not support a firmware that is capabl
   - [PiZiGate](https://zigate.fr/produit/pizigate-v1-0/)
   - [Wifi ZiGate](https://zigate.fr/produit/zigate-pack-wifi-v1-3/)
 
+<div class="note warning">
+
+The **EZSP** protocol requires a stable connection to the serial port. With _ITEAD Sonoff ZBBridge_ connecting over the WiFi network
+it is expected to see `NCP entered failed state. Requesting APP controller restart` in the logs. This is a normal part of the operation and indicates there was a drop in communication between ZHA and SonOff bridge.
+
+</div>
+
 ### Experimental support for additional Zigbee radio modules
 
 - Texas Instruments based radios with Z-Stack Home 1.2.x (via the [zigpy-cc](https://github.com/zigpy/zigpy-cc) library for zigpy)