Link update to current specification

Link update to current specification w/o the now removed 'on-demand' to avoid any confusion.

media-hover-pointer/index.html

@@ -50,7 +50,7 @@ <h1>'any-pointer' and 'any-hover' Media Queries Sample</h1>
     <p>Available in <a href="https://www.chromestatus.com/feature/6460705494532096">Chrome 41+</a></p>
 
     <p>
-      These media features describe the capabilities of all input devices available to the user as per <a href="http://www.w3.org/TR/2014/WD-mediaqueries-4-20140605/#any-input">the specification</a>.
+      These media features describe the capabilities of all input devices available to the user as per <a href="https://www.w3.org/TR/mediaqueries-4/">the specification</a>.
       These are similar to the older <code>'pointer'</code> and <code>'hover'</code> media features, except that the older features only reflect the primary input device.
     </p>
     <p>