diff --git a/COPYING.md b/COPYING.md
index d1412480c..917ab0169 100644
--- a/COPYING.md
+++ b/COPYING.md
@@ -1,3 +1,6 @@
+As a special exception, the authors give permission to link this program
+with the OpenSSL library and distribute the resulting binary.
+
 # GNU GENERAL PUBLIC LICENSE
 
 Version 2, June 1991