diff --git a/lang/de.yml b/lang/de.yml
index d6a759593..8f91c7f8a 100644
--- a/lang/de.yml
+++ b/lang/de.yml
@@ -135,6 +135,7 @@ field_attr_mail: Emailattribut
 field_onthefly: On-the-fly Benutzerkreation
 field_start_date: Beginn
 field_done_ratio: %% Getan
+field_auth_source: Authentisierung Modus
 field_hide_mail: Mein email address verstecken
 field_comment: Anmerkung
 field_url: URL
diff --git a/lang/en.yml b/lang/en.yml
index 6ef3bfe5e..b21f28710 100644
--- a/lang/en.yml
+++ b/lang/en.yml
@@ -135,6 +135,7 @@ field_attr_mail: Email attribute
 field_onthefly: On-the-fly user creation
 field_start_date: Start
 field_done_ratio: %% Done
+field_auth_source: Authentication mode
 field_hide_mail: Hide my email address
 field_comment: Comment
 field_url: URL
diff --git a/lang/es.yml b/lang/es.yml
index 596cefc07..e4848f1d1 100644
--- a/lang/es.yml
+++ b/lang/es.yml
@@ -135,6 +135,7 @@ field_attr_mail: Cualidad del Email
 field_onthefly: Creación del usuario On-the-fly
 field_start_date: Comienzo
 field_done_ratio: %% Realizado
+field_auth_source: Modo de la autentificación
 field_hide_mail: Ocultar mi email address
 field_comment: Comentario
 field_url: URL