diff --git a/COPYRIGHT b/COPYRIGHT
index fc562bb4138605f7f13598ca64de4d618f4e5c5a..441f927eb0a637c655ede81f3cac41eada6723a2 100644
--- a/COPYRIGHT
+++ b/COPYRIGHT
@@ -15,6 +15,9 @@ with their respective conditions for distribution.
 DES encryption and decryption code
 Copyright � 1992 Dana L. How
 
+Emacs font lock definitions for Pike and other LPC files
+Copyright � 2002 Martin Stjernholm
+
 JPEG transform code
 Copyright � 1991-1998, Thomas G. Lane, Independent JPEG Group