Update docs/index.md

Author: isaacvetter

docs/index.md

@@ -16,7 +16,7 @@ User activity inside the clinician's workflow triggers **CDS hooks** in real-tim
 
 * `patient-view` when opening a new patient record
 * `order-select` on authoring a new prescription
-* `order-sign` on viewing pending orders for approval
+* `order-sign` immediately before an order is signed
 
 When a triggering activity occurs, the CDS Client notifies each CDS service registered for the activity. These services must then provide near-real-time feedback about the triggering event. Each service gets basic details about the clinical workflow 
 context (via the `context` parameter of the hook) plus whatever