diff --git a/frontend/src/i18n/lang/en.json b/frontend/src/i18n/lang/en.json
index b92b988ad..da7805764 100644
--- a/frontend/src/i18n/lang/en.json
+++ b/frontend/src/i18n/lang/en.json
@@ -1116,7 +1116,7 @@
   },
   "date": {
     "locale": "en",
-    "altFormatLong": "j M Y H:i",
+    "altFormatLong": "j M Y, H:i",
     "altFormatShort": "j M Y"
   },
   "reaction": {