From 249b8136ad19addd97e73e01f426e990d543718a Mon Sep 17 00:00:00 2001
From: Michal Kucharczyk <1728078+michalkucharczyk@users.noreply.github.com>
Date: Thu, 14 Dec 2023 17:22:34 +0100
Subject: [PATCH] sp-genesis-builder: some doc added

---
 substrate/primitives/genesis-builder/src/lib.rs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/substrate/primitives/genesis-builder/src/lib.rs b/substrate/primitives/genesis-builder/src/lib.rs
index ce77786d752a..85ad81458e55 100644
--- a/substrate/primitives/genesis-builder/src/lib.rs
+++ b/substrate/primitives/genesis-builder/src/lib.rs
@@ -19,6 +19,11 @@
 
 //! Substrate genesis config builder
 //!
+//! The runtime may provide a number of partial `GenesisConfig` configurations in form of patches
+//! which shall be applied on top of the default GenesisConfig. This presets are sometimes refered
+//! to as patches. This allows the runtime to provide a number of predefined configuration (e.g. for
+//! different testnets) without leaking the runtime types outside the runtime.
+//!
 //! This Runtime API allows to construct `GenesisConfig`, in particular:
 //! - serialize the runtime default `GenesisConfig` struct into json format,
 //! - put the GenesisConfig struct into the storage. Internally this operation calls