fix

index.bs

@@ -6239,9 +6239,9 @@ Async iterators, unlike sequences, do not have a fixed length and can be infinit
 asynchronously produced as the async iterator is iterated over.
 
 Async iterators are values, not types, and thus cannot be used as a type in IDL. They can only be
-created from [=async iterables=]. Thus, async iterators can not be used as the type of an IDL
+created from [=async iterable types=]. Thus, async iterators can not be used as the type of an IDL
 operation parameter, an IDL interface attribute, or an IDL dictionary member. Instead an
-[=async iterable=] should be used.
+[=async iterable type=] should be used.
 
 <h4 id="idl-record" lt="record" dfn export>Record types — record&lt;|K|, |V|&gt;</h4>
 
@@ -8214,7 +8214,7 @@ object, a JavaScript method, and a flag indicating whether the method is expecte
 IDL <a lt="async iterator">async iterator</a> values are represented by JavaScript [=Iterator=]
 records.
 
-Async iterators can only be created from an [=async iterable=] object.
+Async iterators can only be created from an [=async iterable type=].
 
 <h5 id="js-async-iterator-iteration">Iterating async iterator</h5>