Language fix.

dmp-frontend/src/assets/i18n/en.json

@@ -891,7 +891,7 @@
 		"DATASET-PROFILE-COMBO-BOX-TYPE": {
 			"WORD-LIST": "Word List",
 			"AUTOCOMPLETE": "Autocomplete",
-			"EXTERNAL-SOURCE-HINT": "External source",
+			"EXTERNAL-SOURCE-HINT": "List of values provided by external source(s)",
 			"ACTIONS": {
 				"YES": "Yes",
 				"NO": "No"
@@ -901,7 +901,7 @@
 			"RESEARCHERS": "Researchers",
 			"DMPS": "DMPs",
 			"DATASETS": "Dataset Descriptions",
-			"EXTERNAL-SOURCE-HINT": "External source"
+			"EXTERNAL-SOURCE-HINT": "List of values provided by external source(s)"
 		}
 	},
 	"ADDRESEARCHERS-EDITOR": {