diff --git a/HOWTO/HOW-TO-Build-Firmware-From-Source.md b/HOWTO/HOW-TO-Build-Firmware-From-Source.md
index 57a41e7b..5839c7ea 100644
--- a/HOWTO/HOW-TO-Build-Firmware-From-Source.md
+++ b/HOWTO/HOW-TO-Build-Firmware-From-Source.md
@@ -1,6 +1,6 @@
 # How to build the rusEFI firmware from the source files  
 
-### The following process is a step-by-step guide to creating the build environment in windows 10+ and Linux  
+### The following process is a step-by-step guide to creating the build environment in windows 10+ using Windows Shell for Linux 
 
 The best way to build the rusEFI firmware is using a set of tools that run best under linux,