diff --git a/erpnext/docs/assets/img/accounts/Screen Shot 2016-10-28 at 5.36.15 PM.png b/erpnext/docs/assets/img/accounts/Screen Shot 2016-10-28 at 5.36.15 PM.png
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diff --git a/erpnext/docs/user/manual/en/accounts/sales-invoice.md b/erpnext/docs/user/manual/en/accounts/sales-invoice.md
index fb132e7643d..e68d2c7efaa 100644
--- a/erpnext/docs/user/manual/en/accounts/sales-invoice.md
+++ b/erpnext/docs/user/manual/en/accounts/sales-invoice.md
@@ -64,6 +64,15 @@ without the need of a Delivery Note.
 
 <img class="screenshot" alt="POS Invoice" src="{{docs_base_url}}/assets/img/accounts/pos-sales-invoice.png">
 
+#### Billing Timesheet with Project
+
+If you want to bill employees working on Projects on hourly basis (contract based),
+they can fill out Timesheets which consists their billing rate. When you make a new
+Sales Invoice, select the Project for which the billing is to be made, and the
+corresponding Timesheet entries for that Project will be fetched.
+
+<img class="screenshot" alt="POS Invoice" src="{{docs_base_url}}/assets/img/accounts/billing-timesheet-sales-invoice.png">
+
 * * *
 
 #### "Pro Forma" Invoice
@@ -80,5 +89,4 @@ Customer wants an “Invoice”, you could give the Customer a Quotation (in
 ERPNext) titled as “Pro Forma Invoice”. This way everyone is happy.
 
 This is a fairly common practice. We follow this at Frappe too.
-
 {next}