diff --git a/intl/es/LC_MESSAGES/ezmlm-web.po b/intl/es/LC_MESSAGES/ezmlm-web.po
index f2c26e3..f465346 100644
--- a/intl/es/LC_MESSAGES/ezmlm-web.po
+++ b/intl/es/LC_MESSAGES/ezmlm-web.po
@@ -9,7 +9,7 @@ msgstr ""
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
-"Plural-Forms: nplurals=INTEGER; plural=EXPRESSION;\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
 "X-Generator: Translate Toolkit 1.0.1\n"
 
 #: Lang.Menue.ListCreate
@@ -1005,6 +1005,10 @@ msgstr "añadido"
 msgid "manual"
 msgstr "manual"
 
+#: Lang.Misc.SubscribeActions.probe
+msgid "delivery failed"
+msgstr ""
+
 #: Lang.Misc.SubscribeActions.auto
 msgid "automatical"
 msgstr "automático"