diff --git a/lang/en/admin.php b/lang/en/admin.php
index 3316b1b959b..a35acf2ac0a 100755
--- a/lang/en/admin.php
+++ b/lang/en/admin.php
@@ -154,6 +154,7 @@ $string['helpstartofweek'] = 'Which day starts the week in the calendar?';
 $string['helpupcominglookahead'] = 'How many days in the future does the calendar look for upcoming events by default?';
 $string['helpupcomingmaxevents'] = 'How many (maximum) upcoming events are shown to users by default?';
 $string['helpweekenddays'] = 'Which days of the week are treated as \"weekend\" and shown with a different colour?';
+$string['iconvrecommended'] = 'Although ICONV library is optional it\'s highly recommended to have it installed and running to get better performance, specially if your site is supporting non latin characters.';
 $string['importlangreminder'] = 'The database migration process is commencing. You will need to <b>log in again</b> for the upgrade to take effect. Please install unicode language packs as soon as possible from Admin->Lang->Lang Import Utility <b>after</b> the database migration process is completed. ';
 $string['importtimezones'] = 'Update complete list of timezones';
 $string['importtimezonescount'] = '$a->count entries imported from $a->source';
@@ -170,6 +171,7 @@ $string['langpackupdated'] = 'Language Pack $a Updated';
 $string['langupdatecomplete'] = 'Language Pack Update Completed';
 $string['latexpreamble'] = 'LaTeX Preamble';
 $string['latexsettings'] = 'LaTeX Renderer Settings';
+$string['mbstringrecommended'] = 'Although MBSTRING library is optional it\'s highly recommended to have it installed and running to get better performance, specially if your site is supporting non latin characters.';
 $string['managelang'] = '<b>Manage</b>';
 $string['mediapluginavi'] = 'Enable .avi filter';
 $string['mediapluginflv'] = 'Enable .flv filter';