diff --git a/booking.travel.inc b/booking.travel.inc
index abf614e..60bebc2 100644
--- a/booking.travel.inc
+++ b/booking.travel.inc
@@ -285,6 +285,7 @@ function travel_form($node, &$form_state, $inserting = FALSE, $nid = 0)
 		$form['requirements']['booking_bf_gf_nid'] = array(
 		  '#type' => 'textfield',
 		  '#title' => t('Registration ID of Boyfriend/Girlfriend to be placed in the same discussion groups as you.'),
+			'#description' => t('If you\'re not sure what this number is, ask your Significant Other to look at the confirmation email they received when they registered.'),
 			'#maxlength' => 15,
 			'#size' => 4,
 			'#required' => FALSE,