diff --git a/public/language/en-GB/admin/advanced/database.json b/public/language/en-GB/admin/advanced/database.json
index 8c47c4f987..55eea6c023 100644
--- a/public/language/en-GB/admin/advanced/database.json
+++ b/public/language/en-GB/admin/advanced/database.json
@@ -17,6 +17,7 @@
 	"mongo.file-size": "File Size",
 	"mongo.resident-memory": "Resident Memory",
 	"mongo.virtual-memory": "Virtual Memory",
+	"mongo.mapped-memory": "Mapped Memory",
 	"mongo.bytes-in": "Bytes In",
 	"mongo.bytes-out": "Bytes Out",
 	"mongo.num-requests": "Number of Requests",