chore: update desc

Author: 2heal1

CONTRIBUTING.md

@@ -127,21 +127,24 @@ feat(plugin-swc): Add `xxx` config
 |____________ Type
 ```
 
+
 ## Releasing
 
 Repository maintainers can publish a new version of changed packages to npm.
 
 1. Checkout a new release branch, for example `release-v0.19.0`.
 2. Run `pnpm changeset version` in the package directory to update the version of each package.
-3. Create a pull request, the title should be `relea se v0.19.1`.
+3. Create a pull request, the title should be `release v0.19.1`.
 4. Run the [release action](https://github.com/module-federation/core/actions/workflows/release.yml) to publish packages to npm.
 5. Wait reviewers to approve. 
 6. Merge the release pull request to `main`.
 7. Generate the [release notes](https://github.com/module-federation/core/releases) via GitHub, see [Automatically generated release notes](https://docs.github.com/en/repositories/releasing-projects-on-github/automatically-generated-release-notes)
 
-## Release test version
+## Release preview version
+
+1. Make sure your branch has added changeset files before releasing the preview version.
+2. Run the [preview action](https://github.com/module-federation/core/actions/workflows/preview.yml) to publish preview packages.
 
-1. Run the [preview action](https://github.com/module-federation/core/actions/workflows/preview.yml) to publish preview packages via [pkg-pr-new](https://github.com/stackblitz-labs/pkg.pr.new).
 
 
 ## Release the official version