How do I trigger a re-index on-demand for a basic doc site

I have a small doc website. We just moved some of the content from one path to another, so my search links (pointing to the old path) are returning Page not found errors.
Is there a way to re-index to pick up the changes on demand?
I’ve seen something about a CLI for WordPress, but I’m not using WordPress and didn’t find a FAQ that covered this topic.

I’m a complete newbie, so any help would be appreciated.

Hi @lisa.gunn, welcome to the community! How you reindex will depend on how you are currently indexing, if that makes sense. Could you share with us how you originally indexed the content to Algolia so we can make recommendations about how to reindex?