diff --git a/main/lang/english/exercice.inc.php b/main/lang/english/exercice.inc.php
index 5d306fd4ff..a7e355d190 100644
--- a/main/lang/english/exercice.inc.php
+++ b/main/lang/english/exercice.inc.php
@@ -2,6 +2,7 @@
 /*
 for more information: see languages.txt in the lang folder.
 */
+$TestFeedbackNotShown = "This test is configured not to display feedback to learners. Comments will not be seen at the end of the test, but may be useful for you, as teacher, when reviewing the question details.";
 $FeedbackDisplayOptions = "How should we show the feedback/comment for each question? This option defines how it will be shown to the learner when taking the test. We recommend you try different options by editing your test options before having learners take it.";
 $ImportAikenQuizExplanationExample = "This is the text for question 1
 A. Answer 1
diff --git a/main/lang/english/tracking.inc.php b/main/lang/english/tracking.inc.php
index 6b37be80b3..5fd50502a2 100644
--- a/main/lang/english/tracking.inc.php
+++ b/main/lang/english/tracking.inc.php
@@ -2,6 +2,10 @@
 /*
 for more information: see languages.txt in the lang folder.
 */
+$SleepingStudents = "Students with no activity during the last few days";
+$SleepingTeachers = "Teachers with no activity in the last few days";
+$InactiveUsers = "Users who's account has been disabled";
+$ActiveUsers = "Users with an active account";
 $SurveysProgress = "Surveys progress";
 $SurveysLeft = "Incomplete surveys";
 $SurveysDone = "Completed surveys";
diff --git a/main/lang/spanish/exercice.inc.php b/main/lang/spanish/exercice.inc.php
index 7125322fc6..27cad849a4 100644
--- a/main/lang/spanish/exercice.inc.php
+++ b/main/lang/spanish/exercice.inc.php
@@ -2,6 +2,7 @@
 /*
 for more information: see languages.txt in the lang folder.
 */
+$TestFeedbackNotShown = "Esta prueba está configurada para no dar retro-alimentación a los alumnos. Los comentarios correspondientes no se mostrarán al fin de la prueba, pero podrían serle útil, como docente, en el momento de revisar los detalles de las preguntas.";
 $FeedbackDisplayOptions = "Manera en la cual se mostrará el comentario definido para cada pregunta. Esta opción define como un estudiante visualizará (o no) los comentarios (retro-alimentación) ingresados para cada alternativa en cada pregunta. Recomendamos evaluar las distintas opciones antes de invitar los estudiantes a tomar la prueba.";
 $ImportAikenQuizExplanationExample = "Este es el texto de la pregunta 1
 A. Respuesta 1
diff --git a/main/lang/spanish/tracking.inc.php b/main/lang/spanish/tracking.inc.php
index 815352885c..4270dffa12 100644
--- a/main/lang/spanish/tracking.inc.php
+++ b/main/lang/spanish/tracking.inc.php
@@ -2,6 +2,10 @@
 /*
 for more information: see languages.txt in the lang folder.
 */
+$SleepingStudents = "Alumnos inactivos desde unos días";
+$SleepingTeachers = "Docentes inactivos desde algunos días";
+$InactiveUsers = "Usuarios desactivados";
+$ActiveUsers = "Usuarios activados";
 $SurveysProgress = "Progreso de encuestas";
 $SurveysLeft = "Encuestas incompletas";
 $SurveysDone = "Encuestas completadas";