diff --git a/BUILD.md b/BUILD.md
index 0143d70da6..4d30864ffa 100644
--- a/BUILD.md
+++ b/BUILD.md
@@ -8,18 +8,14 @@ git clone --recursive https://github.com/ArduPilot/ardupilot.git
 cd ardupilot
 ```
 
-Ardupilot is gradually moving from the make-based build system to
-[Waf](https://waf.io/). The instructions below should be enough for you to
-build Ardupilot, but you can also read more about the build system in the
+You can also read more about the build system in the
 [Waf Book](https://waf.io/book/).
 
-Waf should always be called from the ardupilot's root directory. Differently
-from the make-based build, with Waf there's a configure step to choose the
-board to be used (default is `sitl`).
+waf should always be called from the locally cloned ardupilot root directory for the local branch you are trying to build from.
 
 ## Basic usage ##
 
-There are several commands in the build system for advanced usages, but here we
+There are several commands in the build system for advanced usage, but here we
 list some basic and more used commands as example.
 
 * **Build ArduCopter**