diff --git a/Arduino-IDE.md b/Arduino-IDE.md
index 8789b83a..ddfe16d3 100644
--- a/Arduino-IDE.md
+++ b/Arduino-IDE.md
@@ -28,7 +28,7 @@ Remove default compile options for floating point ``printf`` and ``scanf`` which
 
 #### ESP8266 Board version 2.4.1
 Remove default compile options for floating point ``printf`` and ``scanf`` which are not being used by Tasmota and save 15k code space.
-- Replace in Arduino IDE folder *portable\packages\esp8266\hardware\esp8266\2.4.1* file *platform.txt* with the Tasmota Source code file *arduino\version 2.4.1\platform.txt*.
+- Replace in Arduino IDE folder *portable\packages\esp8266\hardware\esp8266\2.4.1* file *platform.txt* with the Tasmota Source code file *arduino\version 2.4.1\platform.txt*. https://github.com/arendst/Sonoff-Tasmota/tree/development/arduino/version%202.4.1
 
 #### For all versions
 - Copy all files from the Tasmota release Source code folder *lib* into your *sketchbook\libraries* folder.