diff --git a/src/_locales/en/messages.json b/src/_locales/en/messages.json
index 7c432fed3..601713276 100644
--- a/src/_locales/en/messages.json
+++ b/src/_locales/en/messages.json
@@ -292,8 +292,8 @@
     "description":"English: new version available"
   },
   "3pExternalListObsolete":{
-    "message":"outdated",
-    "description":"English: outdated"
+    "message":"out of date",
+    "description":"a filter list is 'out of date' (possibly needs to be updated)"
   },
   "3pLastUpdate":{
     "message":"Last update: {{ago}}",