qt strings: fix typo

Author: rjbs

rfcs/rfc0019.md

@@ -37,7 +37,7 @@ $s = "$colors->@*";   # If postderef_qq on:  join($", $colors->@*)
                       # Otherwise         :  "" . $colors . "->@*"
 
 $s = "Bring $object->{bring}";  # "Bring " . $object->{bring}
-$s = "Bring $object->bring";    # "Bring " . $object . "->bring}"
+$s = "Bring $object->bring";    # "Bring " . $object . "->bring"
 ```
 
 As we look into adding new forms of dereference (for example the proposed `?->`