diff --git a/install/lang/br/langconfig.php b/install/lang/br/langconfig.php
new file mode 100644
index 0000000000000..494983d17a236
--- /dev/null
+++ b/install/lang/br/langconfig.php
@@ -0,0 +1,34 @@
+<?php
+
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle 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 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle 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 Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Automatically generated strings for Moodle installer
+ *
+ * Do not edit this file manually! It contains just a subset of strings
+ * needed during the very first steps of installation. This file was
+ * generated automatically by export-installer.php (which is part of AMOS
+ * {@link http://docs.moodle.org/dev/Languages/AMOS}) using the
+ * list of strings defined in /install/stringnames.txt.
+ *
+ * @package   installer
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+defined('MOODLE_INTERNAL') || die();
+
+$string['thisdirection'] = 'ltr';
+$string['thislanguage'] = 'Breizh';
diff --git a/install/lang/es_mx/install.php b/install/lang/es_mx/install.php
index ff404f91d84e4..65a481cd4beb2 100644
--- a/install/lang/es_mx/install.php
+++ b/install/lang/es_mx/install.php
@@ -90,7 +90,7 @@
 <p>¡Debe actualizar PHP o trasladarse a otro servidor con una versión más reciente de PHP!<br />
 (En caso de 5.0.x podría también revertir a la versión 4.4.x)</p>';
 $string['welcomep10'] = '{$a->installername} ({$a->installerversion})';
-$string['welcomep20'] = 'Si está viendo esta página es porque ha podido ejecutar el paquete <strong>{$a->packname} {$a->packversion}</strong> en su computadora. !Enhorabuena!';
+$string['welcomep20'] = 'Si está viendo esta página es porque ha podido instalar y ejecutar exitosamente el paquete <strong>{$a->packname} {$a->packversion}</strong> en su computadora. !Enhorabuena!';
 $string['welcomep30'] = 'Esta versión de <strong>{$a->installername}</strong> incluye las aplicaciones necesarias para que <strong>Moodle</strong> funcione en su computadora,  principalmente:';
 $string['welcomep40'] = 'El paquete también incluye <strong>Moodle {$a->moodlerelease} ({$a->moodleversion})</strong>.';
 $string['welcomep50'] = 'El uso de todas las aplicaciones del paquete está gobernado por sus respectivas
diff --git a/install/lang/fr/admin.php b/install/lang/fr/admin.php
index 240f03232c76f..ded5395080172 100644
--- a/install/lang/fr/admin.php
+++ b/install/lang/fr/admin.php
@@ -40,5 +40,5 @@
  {$a}.
 Utilisez l\'option --help.';
 $string['cliyesnoprompt'] = 'Tapez y (pour oui) ou n (pour non)';
-$string['environmentrequireinstall'] = 'doit être installé et activé';
-$string['environmentrequireversion'] = 'la version {$a->needed} est requise ; vous utilisez actuellement la version {$a->current}';
+$string['environmentrequireinstall'] = 'L\'extension doit être installée et activée';
+$string['environmentrequireversion'] = 'La version {$a->needed} est requise ; vous utilisez actuellement la version {$a->current}';