[S02] tiny wording update

we do not call arrays stored a scalar "array ref" anymore

Author: moritz

S02-bits.pod

@@ -4203,7 +4203,7 @@ the identifier is otherwise declared.
 
 There's also no "C<use strict 'refs'>" because symbolic dereferences
 are now syntactically distinguished from hard dereferences.
-C<@($arrayref)> must now provide an actual array object, while
+C<@($array)> must now provide an actual array object, while
 C<@::($string)> is explicitly a symbolic reference.  (Yes, this may
 give fits to the P5-to-P6 translator, but I think it's worth it to
 separate the concepts.  Perhaps the symbolic ref form will admit real