Hash #3841 error

Postional vs named. lower-case and add extra from header

Author: finanalyst

doc/Type/Hash.pod6

@@ -381,7 +381,7 @@ Append the provided Pairs or even sized list to the Hash. If a key already
 exists, turn the existing value into an L<Array|/type/Array> and push new value
 onto that C<Array>. Please note that you can't mix even sized lists and lists
 of Pairs. Also, bare C<Pair>s or colon pairs will be treated as L<named
-arguments|/type/Signature#Positional_vs._Named> to C<.append>.
+arguments|/type/Signature#Positional_vs._named_arguments> to C<.append>.
 
     my %h = a => 1;
     %h.append('b', 2, 'c', 3);