diff --git a/LICENSE b/LICENSE
index e37e32e..a5db2a6 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,3 +1,5 @@
+Only C programming language source code files i.e. files ending with '.c' extension are under the following license.
+
 GNU AFFERO GENERAL PUBLIC LICENSE
 
 Version 3, 19 November 2007