diff --git a/README.md b/README.md
index fb99f45..b845a2e 100644
--- a/README.md
+++ b/README.md
@@ -7,3 +7,5 @@ can use this program to play almost any music you like. It also
 fully supports chording, but due to the keyboard chording
 limitations, only 3 - 7 keys may be pressed simultaneously,
 so your milage may vary.
+
+Tested to work on Visual C++ 2010, 2013, and MinGW.