Access to "Site administration / Language / Language packs" and install at least one language pack (for instance, "Español - Internacional (es)"). Go to "Site administration / Language / Language customisation" and customise the following string in the "Español - Internacional (es)" language pack (you will need to "Open language pack for editing" and then search the following string in contentbank.php component): upload: Subir Save changes to the language pack Create a course. Go to the content bank of this course. Verify the "upload" button text is displayed in English. Change the language to "Español - Internacional (es)". Verify the "upload" button text is localized.