diff --git a/tryton/gui/window/email.py b/tryton/gui/window/email.py
index accac4f6ec..e4cb887f22 100644
--- a/tryton/gui/window/email.py
+++ b/tryton/gui/window/email.py
@@ -22,10 +22,10 @@ class Email(object):
         self.win.set_transient_for(parent)
         self.win.vbox.set_spacing(3)
         self.win.vbox.pack_start(gtk.Label(
-            _('Setting Email Program')), expand=False, fill=True)
+            _('Email Program Settings')), expand=False, fill=True)
         self.win.vbox.pack_start(gtk.HSeparator())
         hbox = gtk.HBox(spacing=3)
-        hbox.pack_start(gtk.Label(_('Email program:')), expand=True,
+        hbox.pack_start(gtk.Label(_('Command Line:')), expand=True,
             fill=True)
         self.entry = gtk.Entry()
         self.entry.set_property('activates_default', True)
@@ -34,12 +34,56 @@ class Email(object):
         hbox.pack_start(self.entry, expand=True, fill=True)
         self.win.vbox.pack_start(hbox, expand=True, fill=True)
 
-        label = gtk.Label(_('Available Values:'))
+        label = gtk.Label(_('Legend of Available Placeholders:'))
         label.set_alignment(0.0, 0.5)
         label.set_padding(0, 10)
         self.win.vbox.pack_start(label, expand=False, fill=True)
-        label = gtk.Label('${to}, ${cc}, ${subject}, ${body}, ${attachment}')
-        self.win.vbox.pack_start(label, expand=False, fill=True)
+
+        hbox = gtk.HBox(spacing=3)
+        vboxl = gtk.VBox(homogeneous=True, spacing=3)
+        label = gtk.Label(_('To:'))
+        label.set_alignment(0, 0)
+        label.set_padding(10, 0)
+        vboxl.pack_start(label, expand=False, fill=False)
+        label = gtk.Label(_('CC:'))
+        label.set_alignment(0, 0)
+        label.set_padding(10, 0)
+        vboxl.pack_start(label, expand=False, fill=False)
+        label = gtk.Label(_('Subject:'))
+        label.set_alignment(0, 0)
+        label.set_padding(10, 0)
+        vboxl.pack_start(label, expand=False, fill=False)
+        label = gtk.Label(_('Body:'))
+        label.set_alignment(0, 0)
+        label.set_padding(10, 0)
+        vboxl.pack_start(label, expand=False, fill=False)
+        label = gtk.Label(_('Attachment:'))
+        label.set_alignment(0, 0)
+        label.set_padding(10, 0)
+        vboxl.pack_start(label, expand=False, fill=False)
+
+        vboxr = gtk.VBox(homogeneous=True, spacing=3)
+        label = gtk.Label(' ${to}')
+        label.set_alignment(0, 0)
+        vboxr.pack_start(label, expand=False, fill=False)
+        label = gtk.Label(' ${cc}')
+        label.set_alignment(0, 0)
+        vboxr.pack_start(label, expand=False, fill=False)
+        label = gtk.Label(' ${subject}')
+        label.set_alignment(0, 0)
+        vboxr.pack_start(label, expand=False, fill=False)
+        label = gtk.Label(' ${body}')
+        label.set_alignment(0, 0)
+        vboxr.pack_start(label, expand=False, fill=False)
+        label = gtk.Label(' ${attachment}')
+        label.set_alignment(0, 0)
+        vboxr.pack_start(label, expand=False, fill=False)
+
+        hbox.pack_start(vboxl, expand=False, fill=False)
+        hbox.pack_start(vboxr, expand=False, fill=False)
+
+        self.win.vbox.pack_start(hbox, expand=True, fill=True)
+
 
         self.win.show_all()