Update index.bs

Co-authored-by: Mattias Buelens <[email protected]>

Author: youennf

index.bs

@@ -6399,8 +6399,7 @@ for="value-with-size">value</dfn> and <dfn for="value-with-size">size</dfn>.
  1. If ! [$IsNonNegativeNumber$](|size|) is false, throw a {{RangeError}} exception.
  1. If |size| is +∞, throw a {{RangeError}} exception.
  1. If |container| has an \[[isOwning]] internal slot whose value is true, perform the following steps:
-    1. Set |enqueuedValue| to [$StructuredTransferOrClone$](|value|, |transferList|).
-    1. If |enqueuedValue| is an abrupt completion, return |enqueuedValue|.
+    1. Set |enqueuedValue| to ? [$StructuredTransferOrClone$](|value|, |transferList|).
  1. [=list/Append=] a new [=value-with-size=] with [=value-with-size/value=] |enqueuedValue| and
     [=value-with-size/size=] |size| to |container|.\[[queue]].
  1. Set |container|.\[[queueTotalSize]] to |container|.\[[queueTotalSize]] + |size|.