[devel] Revise references to zlib/libpng license
diff --git a/scripts/makefile.ibmc b/scripts/makefile.ibmc
index 89bbac4..13d4c50 100644
--- a/scripts/makefile.ibmc
+++ b/scripts/makefile.ibmc
@@ -4,7 +4,7 @@
 # Copyright (C) 2000 Cosmin Truta
 #
 # This code is released under the zlib/libpng license.
-# For conditions of distribution and use, see copyright notice, disclaimer,
+# For conditions of distribution and use, see the disclaimer
 # and license in png.h
 #
 # Notes: