Minor: Plugin: Resubscription: Improve docs

plugin/resubscription/README.md

@@ -1,4 +1,6 @@
 Resubscription
 ==============
 
-Limit session resubscriptions
+Limit session re-subscriptions by checking whether the user was already 
+subscribed to a specific course *through a session* over the last 12 
+months or the last calendar year.

plugin/resubscription/lang/english.php

@@ -8,7 +8,7 @@
  * @package chamilo.plugin.resubscription
  */
 $strings['plugin_title'] = 'Resubscription';
-$strings['plugin_comment'] = 'This plugin limits session resubscription.';
+$strings['plugin_comment'] = 'This plugin limits session re-subscription for users who already followed a course through another session not so long ago.';
 
 $strings['resubscription_limit'] = 'Resubscription limit';
 $strings['resubscription_limit_help'] = 'This limits how often a user can be resubscribed';

plugin/resubscription/lang/spanish.php

@@ -8,7 +8,7 @@
  * @package chamilo.plugin.resubscription
  */
 $strings['plugin_title'] = 'Reinscripción';
-$strings['plugin_comment'] = 'Este plugin limita las reinscripiones a sesiones.';
+$strings['plugin_comment'] = 'Este plugin limita las reinscripiones a sesiones para los usuarios que ya siguieron un curso de la sesión a través de otra sesión no tanto tiempo atrás.';
 
 $strings['resubscription_limit'] = 'Límite de reinscripción';
 $strings['resubscription_limit_help'] = 'Esto limita cada cuánto puede reinscribirse un usuario';