Hi Geoff,
No, I dowloaded a plugin called Loco Translate, which helps translate files from the wordpress backend, it is like a .po editor inside wordpress. The item I want to translate, seem to be translated correctly on your files, but they keep appearing in English. In Loco Translate they appear in a different color, like if they had a different status on that file, but they do have a Spanish equivalent. I guess I will have to download the .po file from the FTP and then see it there, not sure.
In any case, many thanks for following up. I will probably launch the community with those tags in English anyways, it is not like they would prevent anyone from knowing what to do.
Best regards,
Rafa