Go to normal view. Under the thumbnail of the movie (rip), click 'tag', the tags appear at the left of the screen.
Scroll down until you see 'name', to the right of it, just change the name to the correct one. Close the tag screen with the X on top of the tag screen. Thats it.
Yeah, that's just the name of the movie as it appears in MC.
I can confirm I too have had this 'problem' with Gravity Blu-Ray. What the OP actually means is the default audio track - it seems to select the audio commentary.
Likewise, for Pacific Rim Blu-ray, it selects the French DTS-MA track. Funnily enough, the English DTS-MA track is listed last in the list of audio tracks, after commentaries, 2.0, AC3 etc.
It's why I would like to see a feature added where it sets (and remembers) the last used audio track as default,
per film. Store this info in the sidecar file, and as a library field (of type dropdown).
Also, at the point of a single folder import, you should be prompted what track to set as default, and during an auto-import there should be someway of notifying you to (preferably) do something to set a default. Something along the lines of an alerts icon.
Obviously, only if multiple audio tracks are found.
If you're 'customizing' your rips so you pick out only 1 audio track, MC works flawlessly in this regard. But all my rips are full disc copies so I imagine I'll always have this 'problem'; Disney's Brave on DVD is the same - it selects 2.0 stereo as the default audio track too.