diff --git a/mod/certificate/mod_form.php b/mod/certificate/mod_form.php
index b442152..39672ee 100644
--- a/mod/certificate/mod_form.php
+++ b/mod/certificate/mod_form.php
@@ -96,7 +96,7 @@ class mod_certificate_mod_form extends moodleform_mod {
         $mform->setDefault('printteacher', 0);
 	    $mform->setHelpButton('printteacher', array('printteacher', get_string('printteacher', 'certificate'), 'certificate'));
 		
-		$mform->addElement('textarea', 'customtext', get_string('customtext', 'certificate'), array('cols'=>'40', 'rows'=>'4', 'wrap'=>'virtual'));
+		$mform->addElement('textarea', 'customtext', get_string('customtext', 'certificate'), array('cols'=>'80', 'rows'=>'16', 'wrap'=>'virtual'));
 		$mform->setType('customtext', PARAM_RAW);
 	    $mform->setHelpButton('customtext', array('customtext', get_string('customtext', 'certificate'), 'certificate'));