diff --git a/README.txt b/README.txt
index d208de95a2407584d8032f9f7899ea24832e1e94..874f6393f7985765d213b334ef2bec2da287cdb1 100644
--- a/README.txt
+++ b/README.txt
@@ -8,7 +8,8 @@ To install the libraries:
 
 Building using make 
 -----------------------------------------------
- - go to directory of sketch and type make.
+ - go to directory of sketch and type "make".
+ --type "make upload" to upload according to the parameters in config.mk .
 
 Building using cmake
 -----------------------------------------------