Update xml/issue4380.xml

Co-authored-by: Jonathan Wakely <[email protected]>

Author: tomaszkam

xml/issue4380.xml

@@ -34,8 +34,8 @@ Anyway, the <i>Complexity</i> of `reserve()` does not presently reflect this abi
 Set priority to 3 after reflector poll.
 </p>
 <p>
-An explicit object was raised, to not explicitly specificing in <i>Effects:</i>
-elements, if `reserve()` is allowed or required to deallocate blocks.
+An explicit objection was raised that the <i>Effects:</i> should state
+whether `reserve()` is allowed, or even required, to deallocate blocks.
 </p>
 </discussion>