diff --git a/main/lang/english/survey.inc.php b/main/lang/english/survey.inc.php
index 279319ac79..2b634548ea 100644
--- a/main/lang/english/survey.inc.php
+++ b/main/lang/english/survey.inc.php
@@ -172,4 +172,7 @@ $HaveAnswered = "have answered";
 $WereInvited = "were invited";
 $PagebreakNotFirst = "The page break cannot be the first";
 $PagebreakNotLast = "The page break cannot be the last one";
+$DuplicateSurvey = "Duplicate survey";
+$EmptySurvey = "Empty survey";
+$SurveyEmptied = "Answers to survey successfully deleted";
 ?>
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diff --git a/main/lang/french/survey.inc.php b/main/lang/french/survey.inc.php
index b0a4433089..1b773e0752 100644
--- a/main/lang/french/survey.inc.php
+++ b/main/lang/french/survey.inc.php
@@ -172,4 +172,7 @@ $HaveAnswered = "ont r
 $WereInvited = "sont invités";
 $PagebreakNotFirst = "Le séparateur ne peut pas être en premier";
 $PagebreakNotLast = "Le séparateur ne peut pas être en dernier";
+$DuplicateSurvey = "Dupliquer l\'enquête";
+$EmptySurvey = "Empty l\'enquête";
+$SurveyEmptied = "Enquête vidée de ses résultats avec succès";
 ?>
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diff --git a/main/lang/german/trad4all.inc.php b/main/lang/german/trad4all.inc.php
index c3ed2abde9..68621b88d1 100644
--- a/main/lang/german/trad4all.inc.php
+++ b/main/lang/german/trad4all.inc.php
@@ -443,4 +443,7 @@ $PleaseLoginAgainFromHomepage = "Bitte versuchen, sich von der Startseite aus ei
 $PleaseLoginAgainFromFormBelow = "Bitte versuchen, sich über das Formular unten einzuloggen.";
 $AccessToFaq = "Zugang zu den FAQ (häufig gestellte Fragen)";
 $Faq = "FAQ - häufig gestellte Fragen";
+$RemindInactivesLearnersSince = "Erinnerung an inaktive Benutzer seit ";
+$RemindInactiveLearnersMailSubject = "Nicht aktiv am %s";
+$RemindInactiveLearnersMailContent = "Lieber Benutzer,<br/><br/>Sie waren nicht aktiv auf %s seit mehr als %s Tagen.";
 ?>
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diff --git a/main/lang/italian/trad4all.inc.php b/main/lang/italian/trad4all.inc.php
index 225d12b7cf..e2510d9ae0 100644
--- a/main/lang/italian/trad4all.inc.php
+++ b/main/lang/italian/trad4all.inc.php
@@ -443,4 +443,7 @@ $PleaseLoginAgainFromHomepage = "Ti prego di accedere nuovamente al sito dalla p
 $PleaseLoginAgainFromFormBelow = "Ti prego di accedere al sito compilando il modulo sottostante";
 $AccessToFaq = "Accesso alle FAQ - Domande frequenti";
 $Faq = "FAQ - Domande frequenti";
+$RemindInactivesLearnersSince = "Richiama gli utenti inattivi dal";
+$RemindInactiveLearnersMailSubject = "Attività su %s";
+$RemindInactiveLearnersMailContent = "Gentile utente,<br /><br />ti segnaliamo che non sei attiva/o su %s da più di % giorni.";
 ?>
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diff --git a/main/lang/slovenian/trad4all.inc.php b/main/lang/slovenian/trad4all.inc.php
index 3e7d7f809c..a8a08e7a3a 100644
--- a/main/lang/slovenian/trad4all.inc.php
+++ b/main/lang/slovenian/trad4all.inc.php
@@ -443,4 +443,7 @@ $PleaseLoginAgainFromHomepage = "Prosimo, da se posku
 $PleaseLoginAgainFromFormBelow = "Prosimo, da se skušate ponovno prijaviti preko spodnje prijavne forme";
 $AccessToFaq = "Dostop do Pogosto zastavljena vprašanja (FAQ)";
 $Faq = "Pogosto zastavljena vprašanja";
+$RemindInactivesLearnersSince = "Opomni neaktivne uporabnike od";
+$RemindInactiveLearnersMailSubject = "Neaktivnost v okviru %s";
+$RemindInactiveLearnersMailContent = "Spoštovani uporabnik,<br /><br /> vaša neaktivnost v okviru %s je presegla %s dni.";
 ?>
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diff --git a/main/lang/spanish/trad4all.inc.php b/main/lang/spanish/trad4all.inc.php
index ee4fccaad2..7aade65aa1 100644
--- a/main/lang/spanish/trad4all.inc.php
+++ b/main/lang/spanish/trad4all.inc.php
@@ -444,4 +444,7 @@ $PleaseLoginAgainFromHomepage = "Por favor, pruebe a identificarse de nuevo desd
 $PleaseLoginAgainFromFormBelow = "Por favor, pruebe a identificarse de nuevo usando el formulario inferior";
 $AccessToFaq = "Acceder a las preguntas más frecuentes (FAQ)";
 $Faq = "Preguntas más frecuentes (FAQ)";
+$RemindInactivesLearnersSince = "Recordar usuarios inactivos desde";
+$RemindInactiveLearnersMailSubject = "Falta de actividad en %s";
+$RemindInactiveLearnersMailContent = "Estimado usuario, <br /><br /> no ha tenido actividad en %s desde hace más de %s días.";
 ?>
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