diff --git a/USAGE_EXAMPLES b/USAGE_EXAMPLES
index 67316002b92832e38042c55ecb0a51335a64f789..58c48f12575df2e19623e7678bef807e98c60ab4 100644
--- a/USAGE_EXAMPLES
+++ b/USAGE_EXAMPLES
@@ -6,6 +6,8 @@ Created by Aaron Quinlan Spring 2009.
 Copyright 2009 Aaron Quinlan. All rights reserved.
 http://people.virginia.edu/~arq5x/bedtools.html
 
+Free for non-profit or academic use. Please contact me for commercial use.
+
 
 ===Example Usage===