pkg: fix function names

[MarkDaveny]

What this PR does / why we need it:

fix function names

Which issue(s) this PR fixes: Fixes #

Special notes for your reviewer:

Checklist

• [ ] Reviewed the CONTRIBUTING.md guide (required)
• [x] Documentation added
• [ ] Tests updated
• [ ] Title matches the required conventional commits format, see here
• [ ] Changes that require user attention or interaction to upgrade are documented in docs/sources/setup/upgrade/_index.md
• [ ] For Helm chart changes bump the Helm chart version in production/helm/loki/Chart.yaml and update production/helm/loki/CHANGELOG.md and production/helm/loki/README.md. Example PR
• [ ] If the change is deprecating or removing a configuration option, update the deprecated-config.yaml and deleted-config.yaml files respectively in the tools/deprecated-config-checker directory. Example PR

[CLAassistant]

All committers have signed the CLA.

[MarkDaveny]

If anything need I to do, Please feel free to tell me.

[paul1r]

lgtm! I just changed the PR title to be style: to fit with the conventional commit format. Thanks for the contribution!