diff --git a/src/lang/en.json b/src/lang/en.json
index a5d0cb11c..1c010f62f 100644
--- a/src/lang/en.json
+++ b/src/lang/en.json
@@ -27,6 +27,8 @@
     "Pending": "Pending",
     "statusMaintenance": "Maintenance",
     "Maintenance": "Maintenance",
+    "Slow": "Slow",
+    "Nominal": "Nominal",
     "Unknown": "Unknown",
     "Cannot connect to the socket server": "Cannot connect to the socket server",
     "Reconnecting...": "Reconnecting...",