don't call non-methods methods

Author: gfldex

doc/Type/Metamodel/MethodContainer.pod

@@ -44,8 +44,9 @@ If C<:local> is set, only methods declared directly in the class are returned.
 The returned list contains objects of type L<Method>, which you can
 use to introspect their signatures and call them.
 
-Some introspection methods like L<C<WHAT>|/language/mop#WHAT> will not show up,
-although they are present in any Perl 6 object.
+Some introspection method-look-alikes like L<C<WHAT>|/language/mop#WHAT> will
+not show up, although they are present in any Perl 6 object. They are handled
+at the grammar level and will likely remain so for bootstrap reasons.
 
 =head2 method method_table