`h2` is the semantically correct heading here, as `h1` is for document titles and `h2` is for the top level headings within a document. `h3` should be used for subheadings of `h2` headings.
`h2` is the semantically correct heading here, as `h1` is for document titles and `h2` is for the top level headings within a document. `h3` should be used for subheadings of `h2` headings.