Stand 2018-07-12.

backend/tl/exhibitions.php

@@ -28,6 +28,9 @@
         "exhibitions_list_empty": "Your list of exhibitions is empty thus far. Add one.",
         "remove_obj": "Unlink",
         "options": "Options",
-        "description_too_short": "Description too short (should be min. 25 characters)"
+        "description_too_short": "Description too short (should be min. 25 characters)",
+        "url": "URL",
+        "url_explica": "URL to another web page representing the exhibition. Needs to be a valid URL - starting with http:\/\/ or https:\/\/.",
+        "upload_image": "Upload image"
     }
 }