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16 changes: 8 additions & 8 deletions docs/tutorials/runtime-migration/index.md
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---
title: Introduction
Introduction
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different from the other tutorial

---

One of the defining features of the Substrate blockchain development framework is its support for
One of the defining features of the Substrate blockchain development framework is the support for
**forkless runtime upgrades**. Forkless upgrades are a means of enhancing a blockchain runtime in a
way that is supported and protected by the capabilities of the blockchain itself. A blockchain's
way that supports and protects the capabilities of the blockchain itself. A blockchain's
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different from the other tutorial

[runtime](../../knowledgebase/runtime) defines the [state](../../knowledgebase/runtime/storage) the
blockchain can hold and also defines the logic for effecting changes to that state. Substrate makes
it possible to deploy enhanced runtime capabilities (including _breaking_ changes) without a
[hard fork](../../knowledgebase/getting-started/glossary#fork). These new capabilities expect the
blockchain's state and storage schema to be configured in the correct way for operation, though.
If the expected schema and state are not present a [storage migration](../../knowledgebase/runtime/upgrades.md#storage-migrations) is necessary.
blockchain state and storage schema to be configured in the correct way for operation.
If the expected schema and state are not present, a [storage migration](../../knowledgebase/runtime/upgrades.md#storage-migrations) is necessary.

This tutorial will use the Substrate Developer Hub
This tutorial will use the Substrate
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different from the other tutorial

[Node Template](https://github.com/substrate-developer-hub/substrate-node-template) to explore how to write and perform storage migrations of [FRAME](../../knowledgebase/runtime/frame)-based runtimes.
> TODO: outline of steps

Expand All @@ -33,8 +33,8 @@ will guide you through the process of setting up your development environment. T
system for runtime development and guide you through the process of extending the capabilities of a
FRAME runtime by adding a pallet. The [Perform a Forkless Upgrade](../../tutorials/upgrade-a-chain/) tutorial will introduce runtime upgrades.

If you're an experienced developer and wish to skip those
tutorials, you can clone the
If you're a more experienced developer and wish to skip those
tutorials, you can clone the
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different from the other tutorial

[Node Template repository](https://github.com/substrate-developer-hub/substrate-node-template) and
refer to the
[documentation for local development](https://github.com/substrate-developer-hub/substrate-node-template#local-development).