diff --git a/booking.manual_payment.inc b/booking.manual_payment.inc
index 4215b7c..2238282 100644
--- a/booking.manual_payment.inc
+++ b/booking.manual_payment.inc
@@ -34,7 +34,7 @@ function booking_manual_payment_admin($nid)
 	}
 	
 	//any html to put at the start of the form
-	$prefix = t("<p>Manually enter payment details.</p>");
+	$prefix = t("<h3>Create manual payment records</h3><p>Enter the amount below, select the people making the payment, then click the Update button at the bottom of the page</p>");
 	
 	$form['booking_earlybird'] = array (
 		'#type' => 'hidden',
@@ -43,7 +43,8 @@ function booking_manual_payment_admin($nid)
 	$form['payment-type'] = array(
 		'#type' => 'select',
 		'#title' => t('Payment Type'),
-		'#required' => TRUE,
+		'#description' => t('Either select one of the built-in payment amounts, or enter a custom dollar amount in the next field.'),
+		'#required' => FALSE,
 		'#default_value' => '0',
 		'#options' => $payment_type_options,
 	);	
@@ -64,7 +65,7 @@ function booking_manual_payment_admin($nid)
 			'A total payment will replace the person\'s total payment with the value entered above.'),
     '#options' => $payment_balance_options,
     '#default_value' => 1,
-    '#required' => TRUE
+    '#required' => FALSE,
   );  	
 
 	$header = array (
@@ -122,7 +123,7 @@ function booking_manual_payment_admin_submit($form, &$form_state) {
 	$fully_paid = 'N';
 	$payment_date = REQUEST_TIME;
 	$checkboxes = $form_state['values']['table']; //$values['booking_price_active'];
-	watchdog('booking', 'Formstate when setting buttons: @info', array ('@info' => var_export($form_state['values'], TRUE)));	
+	//watchdog('booking', 'Formstate when setting buttons: @info', array ('@info' => var_export($form_state['values'], TRUE)));	
 	//watchdog('booking', 'Checkboxes when setting buttons: @info', array ('@info' => var_export($checkboxes, TRUE)));		
 	//watchdog('booking', 'Manual payment form contents: @info', array('@info' => var_export($form_state['values'], TRUE)));
 	
@@ -176,8 +177,10 @@ function booking_manual_payment_admin_submit($form, &$form_state) {
 					$total_paid = $price;
 					//change $price so that we add the correct dollar amount in the payment record
 					//the actual amount newly paid is the price entered in the form, subtracting what they had previously paid
-					watchdog('booking', 'Changing price for payment record from $!price to !newprice.', array('!price' => $price, '!newprice' => ($price - $person->booking_amount_paid)));
-					$price = $price - $person->booking_amount_paid; 
+					//use the function so it takes care of paypal transaction fees etc
+					$newprice = $price - _booking_amount_paid($key, $person);
+					watchdog('booking', 'Changing price for payment record from $!price to !newprice.', array('!price' => $price, '!newprice' => $newprice));
+					$price = $newprice; 
 				}
 
 				//check if they have now fully paid