Little improvement to the list assignment regarding my and our.

Related to issue #1958

doc/Language/variables.pod6

@@ -529,11 +529,13 @@ introduce an alias into the symbol table.
 
     # Available as $M::Var here.
 
-=head2 Declaring a list of variables
+=head2 Declaring a list of variables lexically (C<my>) or package (C<our>) scoped
 
-The declarators C<my> and C<our> take a list of variables in parentheses as argument to declare more than one variable at a time.
+It is possible to scope more than one variable at a time, but both C<my>
+and C<our> require variables to be placed into parentheses:
 
-    my (@a, $s, %h);
+    my (@a, $s, %h);      # same as my @a; my $s; my %h;
+    our (@aa, $ss, %hh);  # same as our @aa; our $ss; our %hh;
 
 This can be used in conjunction with X«destructuring assignment». Any
 assignment to such a list will take the number of elements provided in the left