Update purchase-orders.md

docs/extensions/sales-pack/purchase-orders.md

@@ -12,7 +12,7 @@ The Purchase Order has the *Supplier* field. Upon selecting a supplier, the Purc
 
 Purchase Orders can be printed to PDF and sent in an email.
 
-Multiple [Receipt Orders](receipt-orders.md) can be created from one Purchase Order. If you have created a Receipt Order which only partially covers items of a Purchase Order, the next created Receipt Order will contain only those items that are absent in the previous Receipt Order (or multiple Receipt Orders). Though you can add any extra items to the Receipt Order if you need.
+Multiple [Receipt Orders](receipt-orders.md) can be created from one Purchase Order. If there's one created Receipt Order that only partially covers the items of a Purchase Order, the next created Receipt Order will contain only those items that are absent in the previous Receipt Order (or multiple Receipt Orders). Though you can add any extra items to the Receipt Order if you need.
 
 In the article:
 
@@ -38,4 +38,4 @@ An administrator can specify a default Tax record at Administration > Entity Man
 
 A Purchase Order can be locked if it's completed or canceled. When a record is locked, a specific fields become read-only. An administrator can configure the field list at: Administration > Entity Manager > Purchase Order > Edit.
 
-If the settings parameter *Forbid order unlocking* is checked, once a record is locked, it can be unlocked only by an administrator.
+If the settings parameter *Forbid order unlocking* is checked, once a record is locked, it can be unlocked only by the administrator.