EventListenerOptions: tweak dictionary member wording again

Author: RByers

dom.bs

@@ -1061,11 +1061,11 @@ method, when invoked, must run these steps:
  <li>If <var>options</var> is a boolean, set <var>capture</var> to
  <var>options</var>.
 
- <li>If <var>options</var> is a dictionary and has member <code>{{EventListenerOptions/capture}}</code> with value true, then
- set <var>capture</var> to true.
+ <li>If <var>options</var> is a dictionary and <code>{{EventListenerOptions/capture}}</code> is
+ present in <var>options</var> with value true, then set <var>capture</var> to true.
 
- <li>If <var>options</var> is a dictionary and has member <code>{{EventListenerOptions/passive}}</code> with value true, then
- set <var>passive</var> to true.
+ <li>If <var>options</var> is a dictionary and <code>{{EventListenerOptions/passive}}</code> is
+ present in <var>options</var> with value true, then set <var>passive</var> to true.
 
  <li><p>Append an <a>event listener</a> to the associated list of <a>event listeners</a> with
  <b>type</b> set to <var>type</var>, <b>callback</b> set to <var>callback</var>, <b>capture</b>
@@ -1084,11 +1084,11 @@ method, when invoked, must, run these steps
  <li>If <var>options</var> is a boolean, set <var>capture</var> to
  <var>options</var>.
 
- <li>If <var>options</var> is a dictionary and has member <code>{{EventListenerOptions/capture}}</code> with value true, then
- set <var>capture</var> to true.
+ <li>If <var>options</var> is a dictionary and <code>{{EventListenerOptions/capture}}</code> is
+ present in <var>options</var> with value true, then set <var>capture</var> to true.
 
- <li>If <var>options</var> is a dictionary and has member <code>{{EventListenerOptions/passive}}</code> with value true, then
- set <var>passive</var> to true.
+ <li>If <var>options</var> is a dictionary and <code>{{EventListenerOptions/passive}}</code> is
+ present in <var>options</var> with value true, then set <var>passive</var> to true.
 
  <li>If there is an <a>event listener</a> in the associated list of
  <a>event listeners</a> whose <b>type</b> is <var>type</var>, <b>callback</b> is <var>callback</var>,