diff -r a375e31bf312 -r c1298e7ffe3a dialogs/ForceVariableDialog.py
--- a/dialogs/ForceVariableDialog.py	Sun Mar 05 00:38:25 2017 +0000
+++ b/dialogs/ForceVariableDialog.py	Fri Mar 24 12:07:47 2017 +0000
@@ -1,25 +1,25 @@
 # -*- coding: utf-8 -*-
 
-#This file is part of PLCOpenEditor, a library implementing an IEC 61131-3 editor
-#based on the plcopen standard. 
+# This file is part of Beremiz, a Integrated Development Environment for
+# programming IEC 61131-3 automates supporting plcopen standard and CanFestival.
 #
-#Copyright (C) 2007: Edouard TISSERANT and Laurent BESSARD
+# Copyright (C) 2007: Edouard TISSERANT and Laurent BESSARD
 #
-#See COPYING file for copyrights details.
+# See COPYING file for copyrights details.
 #
-#This library is free software; you can redistribute it and/or
-#modify it under the terms of the GNU General Public
-#License as published by the Free Software Foundation; either
-#version 2.1 of the License, or (at your option) any later version.
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
 #
-#This library is distributed in the hope that it will be useful,
-#but WITHOUT ANY WARRANTY; without even the implied warranty of
-#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-#General Public License for more details.
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
 #
-#You should have received a copy of the GNU General Public
-#License along with this library; if not, write to the Free Software
-#Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 
 import re
 import datetime
@@ -174,7 +174,7 @@
         if value == "":
             message = _("You must type a value!")
         elif GetTypeValue[self.IEC_Type](value) is None:
-            message = _("Invalid value \"%s\" for \"%s\" variable!") % (value, self.IEC_Type)
+            message = _("Invalid value \"{a1}\" for \"{a2}\" variable!").format(a1 = value, a2 = self.IEC_Type)
         if message is not None:
             dialog = wx.MessageDialog(self, message, _("Error"), wx.OK|wx.ICON_ERROR)
             dialog.ShowModal()