Update payment.md with current process

pages/shifts/payment.md

@@ -1,21 +1,21 @@
 (payment)=
 # Claiming payment
 
-### Temporary Staffing Service (TSS) Claims
+```{important}
+We expect most students will claim via the **Temporary Staffing Service (TSS)** route.
+```
 
-To claim for hours worked each month, Ask-JGI team members will
-need to complete their timesheet and send the form to
-their Ask-JGI manager for approval. 
-
-Information on this process can be found [here](https://uob.sharepoint.com/sites/myerp/SitePages/cag-casual-academics-and-guests.aspx).
+## Temporary Staffing Service (TSS) Claims
 
+To claim for hours worked, Ask-JGI team members will need to ensure that their timesheet is up to date before the end of each month.
+We will send a reminder in the Microsoft Teams channel with the exact deadline each month.
+Once checked, the JGI admin team will then submit your total hours to University HR for payment.
 
+Information on this process can be found [here](https://uob.sharepoint.com/sites/myerp/SitePages/cag-casual-academics-and-guests.aspx).
 
-### Staff Fee Claims
+## Staff Fee Claims
 
-In cases where a student is already a staff member at the University,
-a payment route has already been set up through HR. This means that
-hours worked on Ask-JGI must be claimed by the student through MyERP
-using a **Staff Fee Claim** form.
+In cases where a student is already a staff member at the University, a payment route has already been set up through HR.
+This means that hours worked on Ask-JGI must be claimed by the student through MyERP using a **Staff Fee Claim** form.
 
 Guidance for making payment claims in this way can be found [here](https://uob.sharepoint.com/sites/myerp/SitePages/Getting-paid-staff-fees.aspx).