diff --git a/security/Member.php b/security/Member.php
index 1d12e3de5..1bd8fd6b3 100755
--- a/security/Member.php
+++ b/security/Member.php
@@ -1887,23 +1887,24 @@ class Member_DatetimeOptionsetField extends OptionsetField {
 	 * @todo Put this text into a template?
 	 */
 	function getFormattingHelpText() {
-		return '<ul>
-<li>YYYY = four-digit year</li>
-<li>YY   = two-digit year</li>
-<li>MMMM = full name of month (e.g. June)</li>
-<li>MMM  = shortened name of month (e.g. Jun)</li>
-<li>MM   = two-digit month (01=January, etc.)</li>
-<li>M    = day of month without leading zero</li>
-<li>dd   = two-digit day of month (01 through 31)</li>
-<li>d   = day of month without leading zero</li>
-<li>hh   = two digits of hour (00 through 23)</li>
-<li>h    = hour without leading zero</li>
-<li>mm   = two digits of minute (00 through 59)</li>
-<li>m    = minute without leading zero</li>
-<li>ss   = two digits of second (00 through 59)</li>
-<li>s    = one or more digits representing a decimal fraction of a second</li>
-<li>a    = AM or PM</li>
-</ul>';
+		$output = '<ul>';
+		$output .= '<li>YYYY = ' . _t('MemberDatetimeOptionsetField.FOURDIGITYEAR', 'Four-digit year', 40, 'Help text describing what "YYYY" means in ISO date formatting') . '</li>';
+		$output .= '<li>YY = ' . _t('MemberDatetimeOptionsetField.TWODIGITYEAR', 'Two-digit year', 40, 'Help text describing what "YY" means in ISO date formatting') . '</li>';
+		$output .= '<li>MMMM = ' . _t('MemberDatetimeOptionsetField.FULLNAMEMONTH', 'Full name of month (e.g. June)', 40, 'Help text describing what "MMMM" means in ISO date formatting') . '</li>';
+		$output .= '<li>MMM = ' . _t('MemberDatetimeOptionsetField.SHORTMONTH', 'Short name of month (e.g. Jun)', 40, 'Help text letting describing what "MMM" means in ISO date formatting') . '</li>';
+		$output .= '<li>MM = ' . _t('MemberDatetimeOptionsetField.TWODIGITMONTH', 'Two-digit month (01=January, etc.)', 40, 'Help text describing what "MM" means in ISO date formatting') . '</li>';
+		$output .= '<li>M = ' . _t('MemberDatetimeOptionsetField.MONTHNOLEADING', 'Month digit without leading zero', 40, 'Help text describing what "M" means in ISO date formatting') . '</li>';
+		$output .= '<li>dd = ' . _t('MemberDatetimeOptionsetField.TWODIGITDAY', 'Two-digit day of month', 40, 'Help text describing what "dd" means in ISO date formatting') . '</li>';
+		$output .= '<li>d = ' . _t('MemberDatetimeOptionsetField.DAYNOLEADING', 'Day of month without leading zero', 40, 'Help text describing what "d" means in ISO date formatting') . '</li>';
+		$output .= '<li>hh = ' . _t('MemberDatetimeOptionsetField.TWODIGITHOUR', 'Two digits of hour (00 through 23)', 40, 'Help text describing what "hh" means in ISO date formatting') . '</li>';
+		$output .= '<li>h = ' . _t('MemberDatetimeOptionsetField.HOURNOLEADING', 'Hour without leading zero', 40, 'Help text describing what "h" means in ISO date formatting') . '</li>';
+		$output .= '<li>mm = ' . _t('MemberDatetimeOptionsetField.TWODIGITMINUTE', 'Two digits of minute (00 through 59)', 40, 'Help text describing what "mm" means in ISO date formatting') . '</li>';
+		$output .= '<li>m = ' . _t('MemberDatetimeOptionsetField.MINUTENOLEADING', 'Minute without leading zero', 40, 'Help text describing what "m" means in ISO date formatting') . '</li>';
+		$output .= '<li>ss = ' . _t('MemberDatetimeOptionsetField.TWODIGITSECOND', 'Two digits of second (00 through 59)', 40, 'Help text describing what "ss" means in ISO date formatting') . '</li>';
+		$output .= '<li>s = ' . _t('MemberDatetimeOptionsetField.DIGITSDECFRACTIONSECOND', 'One or more digits representing a decimal fraction of a second', 40, 'Help text describing what "s" means in ISO date formatting') . '</li>';
+		$output .= '<li>a = ' . _t('MemberDatetimeOptionsetField.AMORPM', 'AM (Ante meridiem) or PM (Post meridiem)', 40, 'Help text describing what "a" means in ISO date formatting') . '</li>';
+		$output .= '</ul>';
+		return $output;
 	}
 
 	function setValue($value) {
@@ -1928,7 +1929,7 @@ class Member_DatetimeOptionsetField extends OptionsetField {
 			return true;
 		} else {
 			if($validator) {
-				$validator->validationError($this->name, _t('Member.DATEFORMATBAD',"Date format is invalid"), "validation", false);
+				$validator->validationError($this->name, _t('MemberDatetimeOptionsetField.DATEFORMATBAD',"Date format is invalid"), "validation", false);
 			}
 			return false;
 		}