Minor: Plugin: Learning calendar: Improve documentation.

plugin/learning_calendar/lang/english.php

@@ -2,7 +2,7 @@
 /* For license terms, see /license.txt */
 
 $strings['plugin_title'] = 'Learning calendar';
-$strings['plugin_comment'] = '';
+$strings['plugin_comment'] = 'Advanced plugin allowing for the coaching of students with an overall time period to conclude their studies in alternated studies and work.';
 $strings['enabled'] = 'Enabled';
 $strings['LearningCalendar'] = 'Learning calendar';
 $strings['NumberDaysAccumulatedInCalendar'] = 'Number of days accumulated in the calendar: ';

plugin/learning_calendar/lang/french.php

@@ -2,7 +2,7 @@
 /* For license terms, see /license.txt */
 
 $strings['plugin_title'] = 'Learning calendar';
-$strings['plugin_comment'] = '';
+$strings['plugin_comment'] = "Plugin avancé permettant le coaching d'étudiants qui ont un délai limité pour la conclusion de leurs études en mode études et travail alternés.";
 $strings['enabled'] = 'Enabled';
 $strings['LearningCalendar'] = 'Calendrier d\'apprentissage';
 $strings['NumberDaysAccumulatedInCalendar'] = 'Nombre de jours cumulés dans le calendrier: ';

plugin/learning_calendar/lang/spanish.php

@@ -2,7 +2,7 @@
 /* For license terms, see /license.txt */
 
 $strings['plugin_title'] = 'Learning calendar';
-$strings['plugin_comment'] = '';
+$strings['plugin_comment'] = 'Plugin avanzado permitiendo el tutorado de alumnos que tienen un plazo específico para terminar sus estudios en estudios alternados.';
 $strings['enabled'] = 'Activado';
 $strings['LearningCalendar'] = 'Calendario de aprendizaje';
 $strings['NumberDaysAccumulatedInCalendar'] = 'Número de días acumulados en el calendario: ';