small typo (#644)

* Bump github.com/prometheus/client_golang from 1.12.0 to 1.12.1 (#636)

Bumps [github.com/prometheus/client_golang](https://github.com/prometheus/client_golang) from 1.12.0 to 1.12.1.
- [Release notes](https://github.com/prometheus/client_golang/releases)
- [Changelog](https://github.com/prometheus/client_golang/blob/main/CHANGELOG.md)
- [Commits](https://github.com/prometheus/client_golang/compare/v1.12.0...v1.12.1

)

---
updated-dependencies:
- dependency-name: github.com/prometheus/client_golang
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Signed-off-by: obarbier <obarbier13@gmail.com>

* fixing small typo while learning how to contribute

Signed-off-by: obarbier <obarbier13@gmail.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

pkg/pki/ssh/README.md

@@ -59,7 +59,7 @@ The data that is used in the signing function is also packed in another struct b
 ### Signature Format
 
 Signatures are formatted on disk in a PEM-encoded format.
-The header is `-----BEGIN SSH SIGNATURE-----`, and the end is `-----BEGIN SSH SIGNATURE-----`.
+The header is `-----BEGIN SSH SIGNATURE-----`, and the end is `-----END SSH SIGNATURE-----`.
 The signature contents are base64-encoded.
 
 The signature contents are wrapped with extra metadata, then encoded as a struct using the