Index: head/math/clp/pkg-descr
===================================================================
--- head/math/clp/pkg-descr	(revision 450243)
+++ head/math/clp/pkg-descr	(revision 450244)
@@ -1,6 +1,6 @@
 This is a port of Clp (Coin-or linear programming), which is an open-source
 linear programming solver written in C++. It is primarily meant to be used as
 a callable library, but a basic, stand-alone executable version is also
 included.
 
-WWW: http://www.coin-or.org/Clp/index.html
+WWW: https://www.coin-or.org/Clp/index.html