diff --git a/main/lang/dutch/admin.inc.php b/main/lang/dutch/admin.inc.php
index 26f22393cf..7c69474e72 100644
--- a/main/lang/dutch/admin.inc.php
+++ b/main/lang/dutch/admin.inc.php
@@ -2,6 +2,7 @@
 /*
 for more information: see languages.txt in the lang folder.
 */
+$CourseVisibilityHidden = "Verborgen - Volledig verborgen voor alles behalve de beheerders";
 $CasMainActivateComment = "Door CAS authentication te activeren, kunnen gebruikers inloggen met hun CAS gegevens. Ga naar Plugin om een 'CAS Login' knop toe te voegen voor uw Chamilo campus.";
 $UsersRegisteredInAnyGroup = "Gebruikers geregistreerd in om het even welke groep";
 $ShowHotCoursesComment = "De lijst van meest bezochte cursussen zal toegevoegd worden op de home-page";
diff --git a/main/lang/english/admin.inc.php b/main/lang/english/admin.inc.php
index 9ff7f2e48c..384ac70bcc 100644
--- a/main/lang/english/admin.inc.php
+++ b/main/lang/english/admin.inc.php
@@ -2,6 +2,7 @@
 /*
 for more information: see languages.txt in the lang folder.
 */
+$CourseVisibilityHidden = "Hidden - Completely hidden to all users except the administrators";
 $ApplyAllLanguages = "Apply this change to all available languages";
 $CareerUpdated = "Career updated successfully";
 $CasMainActivateComment = "Enabling CAS authentication will allow users to authenticate with their CAS credentials.<br/>Go to <a href='settings.php?category=CAS'>Plugin</a> to add a configurable 'CAS Login' button for your Chamilo campus.";
diff --git a/main/lang/french/admin.inc.php b/main/lang/french/admin.inc.php
index 887fef4add..d41f6a756f 100644
--- a/main/lang/french/admin.inc.php
+++ b/main/lang/french/admin.inc.php
@@ -2,6 +2,7 @@
 /*
 for more information: see languages.txt in the lang folder.
 */
+$CourseVisibilityHidden = "Invisible - Complètement invisible et inaccessible pour tous les utilisateurs excepté les administrateurs";
 $ApplyAllLanguages = "Appliquer ces modifications à toutes les langues disponibles";
 $CareerUpdated = "Carrière mise à jour";
 $CasMainActivateComment = "Activer l'authentification CAS permettra aux utilisateurs de s'identifier à l'aide de leur compte CAS<br/>Vous trouverez dans les <a href='settings.php?category=CAS'>Plugin</a> un bouton 'Login CAS', paramétrable, qui s'ajoutera sur la page d'accueil de votre campus Chamilo.";
diff --git a/main/lang/spanish/admin.inc.php b/main/lang/spanish/admin.inc.php
index 6aa0387d85..ceea0058f5 100644
--- a/main/lang/spanish/admin.inc.php
+++ b/main/lang/spanish/admin.inc.php
@@ -2,6 +2,7 @@
 /*
 for more information: see languages.txt in the lang folder.
 */
+$CourseVisibilityHidden = "Invisible - Totalmente invisible para todos los usuarios a parte de los administradores";
 $ApplyAllLanguages = "Aplicar cambio a todos los lenguajes habilitados";
 $CareerUpdated = "Carrera actualizada satisfactoriamente";
 $CasMainActivateComment = "Activar la autentificación CAS permitirá a usuarios autentificarse con sus credenciales CAS";
diff --git a/main/lang/spanish/work.inc.php b/main/lang/spanish/work.inc.php
index 767e468163..b02d1d5f37 100644
--- a/main/lang/spanish/work.inc.php
+++ b/main/lang/spanish/work.inc.php
@@ -2,6 +2,9 @@
 /*
 for more information: see languages.txt in the lang folder.
 */
+$HandedOutDate = "Fecha de recepción";
+$HandedOut = "Entregado";
+$HandOutDateLimit = "Fecha límite de entrega";
 $Tools = "Herramientas";
 $SendWork = "Enviar el documento";
 $langTooBig = "No ha seleccionado el archivo a enviar o es demasiado grande";