diff --git a/.gitignore b/.gitignore
index 496ee2c..293368d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
-.DS_Store
\ No newline at end of file
+.DS_Store
+*.bak
\ No newline at end of file
diff --git a/ewc-rfc001-issue-verifiable-credential.md b/ewc-rfc001-issue-verifiable-credential.md
index 41699ae..52bf59f 100644
--- a/ewc-rfc001-issue-verifiable-credential.md
+++ b/ewc-rfc001-issue-verifiable-credential.md
@@ -240,7 +240,7 @@ Once the well-known endpoint for **issuer server** configuration is resolved, th
         }
       ],
       "credential_definition": {
-        "vct": "VerifiablePortableDocumentA1",
+        "type": "VerifiablePortableDocumentA1",
         "claims": {
           "given_name": {
             "display": [
@@ -690,7 +690,7 @@ Authorization: Bearer eyJ0eXAi...KTjcrDMg
 {
    "format": "vc+sd-jwt",
    "credential_definition": {
-      "vct": "VerifiablePortableDocumentA1"
+      "type": "VerifiablePortableDocumentA1"
    },
    "proof": {
       "proof_type": "jwt",