Consider https://weblate.org/ to further easy translation handling
https://github.com/WeblateOrg/weblate/ is a web based Free Software for translations. It runs on the service https://weblate.org/ and is offered gratis for libre products.
Consider using the service for the future, as it may further ease the handling of translations, because it can hooked with the software repository and has some more features over a stand-a-lone po-editor.