Album Track Missing Credits

I was looking at the metadata of Miles Davis’ 'Round About Midnight album (2005 edition) and noticed that the first track, 'Round About Midnight, is missing the credits tab:

where it appears on all the other tracks on the album:

Could this be a due to the source that Roon may be using? I find it curious that just one track would be missing the credits (I can always add it with a tagging app).