Changed "prerequisits" to "prerequisites"

Author: megvanhuygen

articles/healthcare-apis/tutorial-2-setup-environment.md

@@ -38,9 +38,9 @@ For this tutorial, the FHIR service, Azure AD application, and Azure AD users ar
 
 ## Next steps
 
-In this tutorial, you set up all the prerequisits for the Azure API for FHIR.
+In this tutorial, you set up all the prerequisites for the Azure API for FHIR.
 
 Now you're ready to learn about application registration.
 
 >[!div class="nextstepaction"]
->[Setup application registration configuration](register-confidential-azure-ad-client-app.md)
+>[Setup application registration configuration](register-confidential-azure-ad-client-app.md)