fix mispelling of quantity

per Brett's feedback on PR

Author: isaacvetter

docs/hooks/order-select.md

@@ -11,7 +11,7 @@ The `order-select` hook fires when a clinician selects one or more orders to pla
 This hook is among the first workflow events for an order entering a draft status. 
 The context of this hook may include defaulted order details 
 as it occurs immediately upon the clinician selecting the order from the order catalogue of the CPOE, 
-but before she manually specifies order details (e.g. dose, quanity, route, etc). 
+but before she manually specifies order details (e.g. dose, quantity, route, etc). 
 Additionally, the context may include previously selected orders that are not yet signed from the same ordering session. 
 The `order-select` hook occurs after the clinician selects the order, but before she fills out (configures) the order.