diff --git a/main/lang/english/trad4all.inc.php b/main/lang/english/trad4all.inc.php
index 76c01f312f..c7b23ade6d 100644
--- a/main/lang/english/trad4all.inc.php
+++ b/main/lang/english/trad4all.inc.php
@@ -104,7 +104,7 @@ $MultiplicationStar = "Multiplication:\t\t\t*";
 $SubstractionMinus = "Substraction:\t\t\t-";
 $SummationPlus = "Summation:\t\t\t+";
 $NotationList = "Formula notation";
-$SubscribeToSessionRequest = "Request for subscription to a session";
+$SubscribeToSessionRequest = "Request subscription";
 $PleaseSubscribeMeToSession = "Please consider subscribing me to session";
 $SearchActiveSessions = "Search active sessions";
 $UserNameHasDash = "The username cannot contain the '-' character";
diff --git a/main/lang/french/trad4all.inc.php b/main/lang/french/trad4all.inc.php
index d24a37493d..42586970b5 100644
--- a/main/lang/french/trad4all.inc.php
+++ b/main/lang/french/trad4all.inc.php
@@ -104,7 +104,7 @@ $MultiplicationStar = "Multiplication:\t\t\t*";
 $SubstractionMinus = "Soustraction:\t\t\t-";
 $SummationPlus = "Somme:\t\t\t\t+";
 $NotationList = "Syntaxe de formules";
-$SubscribeToSessionRequest = "Requête d'inscription à une session";
+$SubscribeToSessionRequest = "Solliciter inscription";
 $PleaseSubscribeMeToSession = "Merci de bien vouloir considérer mon inscription à la session";
 $SearchActiveSessions = "Recherche sessions actives";
 $UserNameHasDash = "Le nom d'utilisateur ne peut pas contenir de tirets (-)";
diff --git a/main/lang/spanish/trad4all.inc.php b/main/lang/spanish/trad4all.inc.php
index 9ec0bbbf33..fab2a43d44 100644
--- a/main/lang/spanish/trad4all.inc.php
+++ b/main/lang/spanish/trad4all.inc.php
@@ -104,7 +104,7 @@ $MultiplicationStar = "Multiplicación:\t\t\t*";
 $SubstractionMinus = "Resta:\t\t\t\t-";
 $SummationPlus = "Suma:\t\t\t\t+";
 $NotationList = "Notación para fórmula";
-$SubscribeToSessionRequest = "Solicitud de inscripción a una sesión";
+$SubscribeToSessionRequest = "Solicitar inscripción";
 $PleaseSubscribeMeToSession = "Por favor suscribirme a la sesión";
 $SearchActiveSessions = "Buscar sesiones activas";
 $UserNameHasDash = "El nombre de usuario no puede contener el caracter '-'";
@@ -8156,4 +8156,8 @@ $ExportToChamiloFormat = "Exportación de la lección";
 $CoursesComingSoon = "Cursos disponibles próximamente";
 $SalePrice = "Precio de venta";
 $BuyNow = "Comprar ahora";
+$DocumentGroupCollaborationMode = "Modo colaboración";
+$DocumentGroupReadOnlyMode = "Modo lectura sola";
+$GroupDocumentAccess = "Acceso a documento";
+$DocumentGroupShareMode = "Modo compartido";
 ?>
\ No newline at end of file