Change the case of the selected iTunes track names to "sentence case": all lowercase with the initial letter uppercase. For example, "L'effet Que Tu Me Fais" could become "L'effet que tu me fais", and "Comme D'Habitude" becomes "Comme d'habitude". This is customary in many languages.
Perhaps of Interest...
downloaded 19s ago
Perform search-and-replace on text in your choice of tags
downloaded 38s ago
Set the Plays of selected tracks.
downloaded 1m 11s ago
Copy chosen tag info from one set of tracks to a different set of tracks
downloaded 3m 9s ago
Set year of selected tracks to their release date's year (if available)
downloaded 3m 32s ago
Set choice of various number tags of selected tracks incrementally
downloaded 5m 21s ago
List tracks not assigned to playlists