Update xml/issue4264.xml

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

Author: tomaszkam

xml/issue4264.xml

@@ -169,8 +169,8 @@ will refer to source object or its target.
 Set priority to 2 after reflector poll.
 </p>
 <p>
-Strong oposition to making it unspecified if <tt>function_ref</tt> contructed from
-other <tt>function_ref</tt> will reference source object or it's target directly.
+Strong oposition to making it unspecified whether <tt>function_ref</tt> constructed from
+other <tt>function_ref</tt> will reference source object or its target directly.
 </p>
 </discussion>