@@ -286,7 +286,7 @@ Contributions should be licensed under the

 @uref{http://www.gnu.org/licenses/lgpl-2.1.html, LGPL 2.1},

 including an "or any later version" clause, or, if you prefer

 a gift-style license, the

-@uref{http://www.isc.org/software/license/, ISC} or

+@uref{http://opensource.org/licenses/isc-license.txt, ISC} or

 @uref{http://mit-license.org/, MIT} license.

 @uref{http://www.gnu.org/licenses/gpl-2.0.html, GPL 2} including

 an "or any later version" clause is also acceptable, but LGPL is