dxdiag: Display a usage message box when unknown options are requested.
diff --git a/po/fr.po b/po/fr.po
index 12cd668..9060caa 100644
--- a/po/fr.po
+++ b/po/fr.po
@@ -8474,6 +8474,14 @@
 msgid "The input line is too long.\n"
 msgstr "La ligne d'entrée est trop longue.\n"
 
+#: dxdiag.rc:27
+msgid "DirectX Diagnostic Tool"
+msgstr ""
+
+#: dxdiag.rc:28
+msgid "Usage: dxdiag [/whql:off | /whql:on] [/t filename | /x filename]"
+msgstr ""
+
 #: hostname.rc:27
 msgid "Usage: hostname\n"
 msgstr "Usage : hostname\n"