1 files changed, 2 insertions, 0 deletions
diff --git a/README b/README
index 2ab8488bf3..faebdf980e 100644
--- a/README
+++ b/README
@@ -111,6 +111,8 @@
  should be contacted if that algorithm is to be used; their web page is
  http://www.ascom.ch/.
 
+ The MDC2 algorithm is patented by IBM.
+
  INSTALLATION
  ------------