Make reclass key on return data look internal

Signed-off-by: martin f. krafft <madduck@madduck.net>
diff --git a/README.Ansible b/README.Ansible
index f671b79..172ffbe 100644
--- a/README.Ansible
+++ b/README.Ansible
@@ -51,7 +51,7 @@
        ./hosts --host localhost
 
      This should print a set of keys and values, including a greeting,
-     a colour, and a sub-class called 'RECLASS'.
+     a colour, and a sub-class called '__reclas__'.
 
   5. Execute some ansible commands, e.g.