Plint Subtitler: spell check
To check the spelling, clickselect "Review / Spell Check" in the "Review" sectionCheck in the top menu bar.
menu.

Once the check is completed it will show a list of all the possibly faulty translations. You can either choose to "Ignore once" to skip one specific occurrence or "Ignore all" to skip all occurencies of a specific word. The feature "Add to dictionary" is not live yet and is greyed out for the moment.

Once you are finished simply close the Spell Check window. The changes will be saved once you Change Status, edit/switch between subs or exit the project.