chore: fix active document xrefs

Author: marcoscaceres

index.html

@@ -205,8 +205,8 @@ <h2>
           </p>
           <p>
             Pointer lock MUST fail unless the <a>target</a>'s
-            <a>shadow-including root</a> is the <a>active document</a> of a
-            [=Document/browsing context=] which is (or has an <a>ancestor
+            <a>shadow-including root</a> is the [=navigable/active document=]
+            of a [=Document/browsing context=] which is (or has an <a>ancestor
             browsing context</a> which is) in focus by a window which is in
             focus by the operating system's window manager. The <a>target</a>
             element and its [=Document/browsing context=] need not be in focus.
@@ -495,7 +495,7 @@ <h2>
         Pointer lock must be exited if the <a>target</a> <a data-lt=
         "become disconnected">becomes disconnected</a>, or the <a>user
         agent</a>, window, or tab loses focus. Moving focus between elements of
-        <a>active documents</a>, including between [=Document/browsing
+        [=navigable/active document=], including between [=Document/browsing
         contexts=] , does not exit pointer lock. E.g. using the keyboard to
         move focus between contents of frames or iframes will not exit.
       </p>