Editorial: punctuation and capitalization fixes

Author: heycam

dom.bs

@@ -5799,9 +5799,9 @@ null if <var>event</var>'s <a>composed flag</a> is unset and <a for=/>shadow roo
 
 <hr>
 
-<p>In <dfn export id=concept-shadow-including-tree-order>shadow-including tree order</dfn>, is
+<p>In <dfn export id=concept-shadow-including-tree-order>shadow-including tree order</dfn> is
 <a>shadow-including preorder, depth-first traversal</a> of a <a>node tree</a>.
-<dfn noexport>shadow-including preorder, depth-first traversal</dfn> of a <a>node tree</a>
+<dfn noexport>Shadow-including preorder, depth-first traversal</dfn> of a <a>node tree</a>
 <var>tree</var> is preorder, depth-first traversal of <var>tree</var>, with for each
 <a for=Element>shadow host</a> encountered in <var>tree</var>,
 <a>shadow-including preorder, depth-first traversal</a> of that <a for=/>element</a>'s