From 103d50c2a7dd38e0b168b3436ec93c3ae3167061 Mon Sep 17 00:00:00 2001
From: pgherveou <pgherveou@gmail.com>
Date: Tue, 13 Jun 2023 13:17:05 +0200
Subject: [PATCH] Add example with single element tuple

---
 frame/contracts/src/lib.rs | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/frame/contracts/src/lib.rs b/frame/contracts/src/lib.rs
index 3df33ada47ea3..9a798c1a824dd 100644
--- a/frame/contracts/src/lib.rs
+++ b/frame/contracts/src/lib.rs
@@ -329,6 +329,13 @@ pub mod pallet {
 		/// # struct Runtime {};
 		/// type Migrations = (v9::Migration<Runtime>, v10::Migration<Runtime>, v11::Migration<Runtime>);
 		/// ```
+		///
+		/// If you have a single migration step, you can use a tuple with a single element:
+		/// ```
+		/// use pallet_contracts::migration::v9;
+		/// # struct Runtime {};
+		/// type Migrations = (v9::Migration<Runtime>,);
+		/// ```
 		type Migrations: MigrateSequence;
 	}