Clarify .^lookup shows only public attribs accessors

Author: zoffixznet

doc/Language/packages.pod6

@@ -181,8 +181,8 @@ MyType::<$foo>
 
 =head2 Class member lookup
 
-Class attributes and methods are stored in the class meta object and can be looked up
-through by the L<lookup|/method/lookup> method.
+Methods—including autogenerated methods, such as public attributes' accessors—are stored
+in the class meta object and can be looked up through by the L<lookup|/method/lookup> method.
 
 =for code :skip-test
 Str.^lookup('chars')