Document how to generate and export GPG key for releasing packer plugin

website/content/docs/plugins/creation/index.mdx

@@ -180,7 +180,7 @@ Here's what you need to create releases using GitHub Actions:
    - `GPG_PRIVATE_KEY` - Your ASCII-armored GPG private key. You can export this with `gpg --armor --export-secret-keys [key ID or email]`.
    - `GPG_PASSPHRASE` - The passphrase for your GPG private key.
 7. Push a new valid version tag (e.g. `v1.2.3`) to test that the GitHub Actions
-   releaser is working. The tag must be a valid
+   releaser is working. The tag can be created using `git tag -a v1.2.3 -m "v1.2.3"` must be a valid
    [Semantic Version](https://semver.org/) preceded with a `v`. Once the tag is pushed, the github actions you just configured will automatically build release binaries that Packer can download using `packer init`. For more details on how
    to install a plugin using `packer init`, see the
    [init docs](https://developer.hashicorp.com/packer/docs/commands/init).