Update Nicks docs to clarify that it is not production-ready
//!
//! ## Overview
//!
-//! Nicks is a trivial module for keeping track of account names on-chain. It makes no effort to
-//! create a name hierarchy, be a DNS replacement or provide reverse lookups.
+//! Nicks is a non-production-ready module for keeping track of account names on-chain. It makes no
+//! effort to create a name hierarchy, be a DNS replacement or provide reverse lookups. Furthermore,
+//! the weights attached to this module's dispatchable functions are for demonstration purposes only
+//! and have not been designed to be economically secure.
//!
//! ## Interface
//!
