diff --git a/Upgrade.md b/Upgrade.md
index 41c4d836..02d52b66 100644
--- a/Upgrade.md
+++ b/Upgrade.md
@@ -20,9 +20,10 @@ Migrating from one version to the next versions is mostly painless as the settin
 
 As said, mostly painless. There are some deviations to this rule as I rearranged the flash. In the next list you'll find an overview of supported migrations paths.
 
-1. No migration from Sonoff-MQTT-OTA to Sonoff-MQTT-OTA-Arduino or Sonoff-Tasmota
-2. Easy migration from Sonoff-MQTT-OTA-Arduino 1.0.11 to Sonoff-Tasmota 3.9.x
-3. Easy migration from Sonoff-MQTT-OTA-Arduino 3.x to Sonoff-Tasmota 4.x
+1. No migration from Sonoff-MQTT-OTA to Sonoff-MQTT-OTA-Arduino or Sonoff-Tasmota. The settings flash lay-out and OTA image locations are different from the Arduino versions
+2. Easy migration from Sonoff-MQTT-OTA-Arduino 1.0.11 to Sonoff-Tasmota 3.9.x. After installing Sonoff-Tasmota for the first time some settings need to be adjusted via web configuration or MQTT commands.
+3. Easy migration from Sonoff-MQTT-OTA-Arduino 3.x to Sonoff-Tasmota 4.x. After installing Sonoff-Tasmota for the first time some settings need to be adjusted via web configuration or MQTT commands.
+
 
 So to migrate from Sonoff-MQTT-OTA-Arduino versions below 3.x to Sonoff-Tasmota 4.x you will need to take two steps: