It looks like you are updating content for a published curated lesson that contains translations in different languages.
Please select an appropriate change for the translations:
Remove existing translations: Remove all translations for the given content. Select this if your changes are significant and the existing translations aren't appropriate for the updated content.
Mark translations as stale: Mark the existing translations for the given content as stale. Select this if your changes will require the translations to be updated, but the previous translations can still be used.
Leave as is: Leave all translations as they are. Select this if your changes do not materially affect translations, e.g. if you fixed a minor typo in the source text.
Note:The translation updates will only be applied when these changes are saved.