You need to configure the Loco Translate plugin before you doing this.

To make sure your translate template is updated, go to your Dashboard => Themes => Eduma, click “Edit Template” text, then click buttons “Sync” and “Save”.

To sync the translate template with your translation file, you need to edit your translation file, click buttons “Sync” and “Save”.

eduma-translate-sync-template

eduma-translate-sync-template-2

eduma-translate-sync-template-3

eduma-translate-sync-template-4