--- a/spec/latest/json-ld-api/index.html	Wed May 08 17:02:57 2013 +0200
+++ b/spec/latest/json-ld-api/index.html	Wed May 08 17:45:08 2013 +0200
@@ -3911,11 +3911,9 @@
       <a>JsonLdProcessor</a> methods.</p>
 
     <dl title="dictionary JsonLdOptions" class="idl">
-      <dt>DOMString base</dt>
-      <dd>The base IRI to use when expanding or compacting the document. This overrides the value of
-        <em>input</em> if it is an IRI. If not specified and <em>input</em> is not
-        an IRI, the base IRI defaults to the current document IRI if in a browser context,
-        or the empty string if there is no document context.
+      <dt>DOMString? base</dt>
+      <dd>The base IRI to use when expanding or compacting the document. If set, this overrides
+        the input document's IRI.
         <div class="issue atrisk" data-number="6" title="Default value of base member in JsonLdOptions">
           <p class="atrisk-head">Note: This feature is
             <a href="http://www.w3.org/2005/10/Process-20051014/tr#cfi">"at risk"</a> and may