diff --git a/README.md b/README.md
index d0356f7..161c75b 100644
--- a/README.md
+++ b/README.md
@@ -20,4 +20,7 @@ the Hermes-Lite rtl supports.
 
 I have only compiled and used this on linux.
 
-To make for Hermes-Lite edit Makefile and add -DHL
+QT_SELECT=qt5 qmake cudaSDR.pro
+make -j9
+
+To make for Hermes-Lite edit Makefile and add -DHL at the end of DEFINES