Lyrics are provided by a lyric service to Roon. Given that dates back to 2015, not sure those lyrics were AI generated, but, who knows.
If this is a streaming track then No you cannot. But, you can make a post is Support Metadata detailing the issue and Roon can contact their Lyrics metadata provider to hopefully correct the issue.
If this is a local track, then, Yes, you can. If you add a Lyrics tag with the lyrics to the metadata of the track, Roon will use that in preference to its own lyric information. Information on how to can be found on the Lyrics Tag FAQ, here