diff --git a/res/values-es/strings.xml b/res/values-es/strings.xml
new file mode 100644
index 0000000..92d4449
--- /dev/null
+++ b/res/values-es/strings.xml
@@ -0,0 +1,98 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<!--
+ /*
+ * Copyright (c) 2014, Loic Blot <loic.blot@unix-experience.fr>
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+-->
+
+<resources>
+
+	<string name="app_name">ownCloud-SMS</string>
+	<string name="account_type">fr.unix_experience.owncloud_sms</string>
+	<string name="account_authority">fr.unix_experience.owncloud_sms.datasync.provider</string>
+	
+	<string name="target_package">fr.unix_experience.owncloud_sms</string>
+	<string name="pref_title_sync_frequency">Frecuencia de sincronización</string>
+	
+	<!-- Translations must begin there -->
+	<!-- Preferences -->
+	<string name="action_settings">Configuración</string>
+	<string name="sync_now">Sincronizar ahora</string>
+	<string name="pref_category_sync">Sincronización</string>
+	
+	<string name="title_global_pref_to_general_prefs">Preferencias generales</string>
+	<string name="summary_global_pref_to_general_prefs">Opciones de sincronización</string>
+	<string name="summary_notif_prefs">Notificaciones</string>
+	
+	<string name="pref_header_data_sync">Data &amp; sync</string>
+	
+	<string name="title_activity_general_settings">Configuración general</string>
+	
+	<string-array name="pref_sync_frequency_titles">
+	    <item>15 minutos</item>
+	    <item>30 minutos</item>
+	    <item>1 hora</item>
+	    <item>3 horas</item>
+	    <item>6 horas</item>
+	    <item>12 horas</item>
+	    <item>24 horas</item>
+	    <item>Nunca</item>
+	</string-array>
+	<string-array name="pref_sync_frequency_values">
+	    <item>15</item>
+	    <item>30</item>
+	    <item>60</item>
+	    <item>180</item>
+	    <item>360</item>
+	    <item>720</item>
+	    <item>1440</item>
+	    <item>-1</item>
+	</string-array>
+	
+	<string name="title_activity_login">Unirse</string>
+	
+	<!-- Login -->
+	<string name="prompt_login">Usuario</string>
+	<string name="prompt_password">Contraseña</string>
+	<string name="action_sign_in">Unirse o registrarse</string>
+	<string name="action_sign_in_short">Unirse</string>
+	<string name="error_invalid_login">Usuario o contraseña incorrecto</string>
+	<string name="error_invalid_password">Contraseña demasiado corta</string>
+	<string name="error_field_required">Campo requerido</string>
+	<string name="prompt_serverURI">Dirección del servidor</string>
+	<string name="error_invalid_server_address">Dirección inválida</string>
+	<string name="error_connection_failed">Imposible conectar al servidor. Por favor asegúrese que la dirección del servidor es correcta</string>
+	<string name="error_http_connection_failed">Imposible establecer una conexión HTTP. Por favor asegúrese que el servidor HTTP esta ejecutándose</string>
+	
+	<string-array name="protocol_array">
+	    <item>https://</item>
+	    <item>http://</item>
+	</string-array>
+	
+	<!-- Notifications -->
+	<string name="sync_title">Proceso de sincronización</string>
+	<string name="sync_inprogress">Sincronización en progreso...</string>
+	<string name="fatal_error">Error Fatal ! </string>
+</resources>
diff --git a/res/values/strings.xml b/res/values/strings.xml
index fcefc92..304ea60 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -48,8 +48,6 @@
 
 	<string name="title_activity_general_settings">General Settings</string>
 
-    <string name="pref_title_sync_frequency">Sync frequency</string>
-
     <string-array name="pref_sync_frequency_titles">
         <item>15 minutes</item>
         <item>30 minutes</item>