Editorial: Fix CreateListFromArrayLike preamble (tc39#3454)

PR tc39#3409 changed a parameter of CreateListFromArrayLike,
but didn't make the corresponding change to the preamble.
(And PR tc39#3419 failed to fix it.)

spec.html

@@ -6509,7 +6509,7 @@ <h1>
       </h1>
       <dl class="header">
         <dt>description</dt>
-        <dd>It is used to create a List value whose elements are provided by the indexed properties of _obj_. _elementTypes_ contains the names of ECMAScript Language Types that are allowed for element values of the List that is created.</dd>
+        <dd>It is used to create a List value whose elements are provided by the indexed properties of _obj_. _validElementTypes_ indicates the types of values that are allowed as elements.</dd>
       </dl>
       <emu-alg>
         1. If _validElementTypes_ is not present, set _validElementTypes_ to ~all~.