diff --git a/htdocs/langs/en_US/main.lang b/htdocs/langs/en_US/main.lang
index cbe3c3e46bf..2082506c405 100644
--- a/htdocs/langs/en_US/main.lang
+++ b/htdocs/langs/en_US/main.lang
@@ -1026,3 +1026,5 @@ Measures=Measures
 XAxis=X-Axis
 YAxis=Y-Axis
 StatusOfRefMustBe=Status of %s must be %s
+DeleteFileHeader=Confirm file delete
+DeleteFileText=Do you really want delete this file?