diff --git a/public/_locales/en/messages.json b/public/_locales/en/messages.json
index 7f26105a..3ae46303 100644
--- a/public/_locales/en/messages.json
+++ b/public/_locales/en/messages.json
@@ -112,6 +112,9 @@
     "openPopup": {
         "message": "Open SponsorBlock Popup"
     },
+    "closePopup": {
+        "message": "Close Popup"
+    },
     "SubmitTimes": {
         "message": "Submit Segments"
     },