Update links and version info.
diff --git a/Doc/library/decimal.rst b/Doc/library/decimal.rst
index 89acbb8..8f8743c1 100644
--- a/Doc/library/decimal.rst
+++ b/Doc/library/decimal.rst
@@ -103,7 +103,7 @@
 .. seealso::
 
    * IBM's General Decimal Arithmetic Specification, `The General Decimal Arithmetic
-     Specification <http://www2.hursley.ibm.com/decimal/decarith.html>`_.
+     Specification <http://speleotrove.com/decimal/decarith.html>`_.
 
    * IEEE standard 854-1987, `Unofficial IEEE 854 Text
      <http://754r.ucbtest.org/standards/854.pdf>`_.