diff --git a/Esptool.md b/Esptool.md
index 31836166..5df713ab 100644
--- a/Esptool.md
+++ b/Esptool.md
@@ -11,7 +11,8 @@ Download Esptool Source code from https://github.com/espressif/esptool/releases
 Go to the known folder and install Esptool with command ``python setup.py install``.
 
 ## Download Tasmota
-Download the latest Tasmota release firmware file *sonoff.bin* from https://github.com/arendst/Sonoff-Tasmota/releases to a known folder.
+Download the latest Tasmota release firmware file *sonoff.bin* from https://github.com/arendst/Sonoff-Tasmota/releases to a known folder. As second official source you can download it from [thehackbox](http://thehackbox.org/tasmota/release/)
+This source can be used for OTA.
 
 ## Upload Tasmota