Yes, you can absolutely customize the Help Center navigation title. For iOS, you will want to update the Localizable.strings file. If one doesn’t exist, you can create one and then customize the "ios.ZDKHelpCenter.helpCenterOverview.title" value.
Here is a link to the documentation with a bit more detail:
Hi Asa,
Can you provide a bit more detail on which area you are wanting to change, or perhaps send a screenshot?
Thanks!
Tipene