diff --git a/config/locales/client.el.yml b/config/locales/client.el.yml
index 5a49f0c8..ac589276 100644
--- a/config/locales/client.el.yml
+++ b/config/locales/client.el.yml
@@ -179,6 +179,7 @@ el:
           property: "Property"
           prefill: "Prefill"
           content: "Content"
+          tag_groups: "Tag Groups"
           date_time_format:
             label: "Format"
             instructions: "<a href='https://momentjs.com/docs/#/displaying/format/' target='_blank'>Moment.js format</a>"