Update configure-identity-providers.md

Author: EXPEkesheth

articles/healthcare-apis/fhir/configure-identity-providers.md

@@ -15,7 +15,7 @@ ms.author: namalu
 
 In addition to [Microsoft Entra ID](/entra/fundamentals/whatis), you can configure up to two additional identity providers for a FHIR service, whether the service already exists or is newly created. 
 
-## Identity providers pre-requisite
+## Identity providers prerequisite
 Identity providers must support OpenID Connect (OIDC), and must be able to issue JSON Web Tokens (JWT) with a `fhirUser` claim, a `azp` or `appId` claim, and an `scp` claim with [SMART on FHIR v1 Scopes](https://www.hl7.org/fhir/smart-app-launch/1.0.0/scopes-and-launch-context/index.html#scopes-for-requesting-clinical-data).
 
 ## Enable additional identity providers with Azure Resource Manager (ARM)