diff --git a/designdocs/pay.pod b/designdocs/pay.pod
index 5f0fd3649..aec51edbd 100644
--- a/designdocs/pay.pod
+++ b/designdocs/pay.pod
@@ -103,7 +103,7 @@ param: session - a reference to the current session
 
 param: hashRef - a hash reference containing a list of the parameters in paymentGateway table, except for paymentGatewayId.
 
-=head definition
+=head3 definition
 
 A class method.