Fix README

README.md

@@ -78,7 +78,7 @@ signingService.helpers.parseHtml = (htmlString) => {
  * base64 stirngs must be directly covnerted to bytes
  * Refer to ICryptoService for further details
  */
-signingService.helpers.cryptoSerivce.SHA256 = async (value: string) => {
+signingService.helpers.cryptoService.SHA256 = async (value: string) => {
   // returns hash base64 string
 };
 
@@ -113,7 +113,7 @@ import { StatusesService } from "@vereign/light-utils";
 const EMAIL_VENDORS = StatusesService.EMAIL_VENDORS;
 
 const {
-  signatures,
+  partsSignatures,
   rabinFingerprints,
 } = await signingService.signMimeComponents(
   EMAIL_VENDORS.GMAIL,
@@ -143,7 +143,7 @@ const {
   receiverHtml,
   receiverPlain,
   receiverAttachments,
-  signatures,
+  partsSignatures,
   rabinFingerprints
 );
 ```