Close #128: fix a typo in the replace a node algorithm

dom.bs

@@ -1623,8 +1623,8 @@ steps:
  the <i>suppress observers flag</i> set.
 
  <li><a>Queue a mutation record</a> of "<code>childList</code>" for target
- <var>parent</var> with addedNodes <var>nodes</var>, removedNodes <var>removedNodes</var>
- <var>child</var>, nextSibling <var>reference child</var>, and previousSibling
+ <var>parent</var> with addedNodes <var>nodes</var>, removedNodes <var>removedNodes</var>,
+ nextSibling <var>reference child</var>, and previousSibling
  <var>previousSibling</var>.
 
  <li>Return <var>child</var>.

dom.html

@@ -991,7 +991,8 @@ <h4 class="heading settled" data-level="4.2.1" id="mutation-algorithms"><span cl
     <li>Let <var>nodes</var> be <var>node</var>’s <a data-link-type="dfn" href="#concept-tree-child">children</a> if <var>node</var> is a <code class="idl"><a data-link-type="idl" href="#documentfragment">DocumentFragment</a></code> <a data-link-type="dfn" href="#concept-node">node</a>, and a list containing solely <var>node</var> otherwise. 
     <li><a data-link-type="dfn" href="#concept-node-insert">Insert</a> <var>node</var> into <var>parent</var> before <var>reference child</var> with
  the <i>suppress observers flag</i> set. 
-    <li><a data-link-type="dfn" href="#queue-a-mutation-record">Queue a mutation record</a> of "<code>childList</code>" for target <var>parent</var> with addedNodes <var>nodes</var>, removedNodes <var>removedNodes</var> <var>child</var>, nextSibling <var>reference child</var>, and previousSibling <var>previousSibling</var>. 
+    <li><a data-link-type="dfn" href="#queue-a-mutation-record">Queue a mutation record</a> of "<code>childList</code>" for target <var>parent</var> with addedNodes <var>nodes</var>, removedNodes <var>removedNodes</var>,
+ nextSibling <var>reference child</var>, and previousSibling <var>previousSibling</var>. 
     <li>Return <var>child</var>. 
    </ol>
    <p>To <dfn data-dfn-for="Node" data-dfn-type="dfn" data-export="" id="concept-node-replace-all">replace all<a class="self-link" href="#concept-node-replace-all"></a></dfn> with a <var>node</var> within a <var>parent</var>, run these steps:</p>