Update docs/hooks/allergyintolerance-create.md

Co-authored-by: Vadim Peretokin <[email protected]>

Author: isaacvetter

docs/hooks/allergyintolerance-create.md

@@ -18,7 +18,7 @@ Field | Optionality | Prefetch Token | Type | Description
 `userId` | REQUIRED | Yes | *string* | The id of the current user.<br />For this hook, the user is expected to be of type [Practitioner](https://www.hl7.org/fhir/practitioner.html).<br />For example, `Practitioner/123`
 `patientId` | REQUIRED | Yes | *string* |  The FHIR `Patient.id` of the current patient in context
 `encounterId` | OPTIONAL | Yes | *string* |  The FHIR `Encounter.id` of the current encounter in context
-`allergyIntolerance` | REQUIRED | No | *object* | R4/STU3/DSTU2 - FHIR AllergyIntolerance isntance
+`allergyIntolerance` | REQUIRED | No | *object* | R4/STU3/DSTU2 - FHIR AllergyIntolerance instance
 
 
 ### Examples