diff --git a/leegoal-plug.md b/leegoal-plug.md
index 4d1caed1..5b3dd676 100644
--- a/leegoal-plug.md
+++ b/leegoal-plug.md
@@ -18,7 +18,8 @@ Tasmota template based on BlitzWolf (45)
 > {"NAME":"Plug","GPIO":[57,0,56,0,0,134,0,0,131,17,132,21,0],"FLAG":0,"BASE":45}
 
 # Flashing
-Recommended to flash over OTA (it works well).
+Recommended to flash over OTA (it works well). 
+It seems flashing via OTA may leave remains of old firmware because it wasn't fully erased before flashing Tasmota. So the device can fail after feature updates. (I have 3 devices bricked after update). So if you flashed via OTA it better to not update FW anymore.
 Unfortunately I bricked one of my plugs (probably by typing wrong Wifi name), so I needed to flash manually.
 
 Manual flash should be done exactly as shown here: