Update examples-ldp-vp.md

Author: peacekeeper

examples-ldp-vp.md

@@ -54,7 +54,7 @@ Verifiable Presentations with Linked Data Proofs:
     Ed25519Signature2018LdSigner signer2 = new Ed25519Signature2018LdSigner(testEd25519PrivateKey2);
     signer2.setCreated(new Date());
     signer2.setProofPurpose(LDSecurityKeywords.JSONLD_TERM_AUTHENTICATION);
-    signer2.setVerificationMethod(URI.create("did:example:45678#keys-1"));
+    signer2.setVerificationMethod(URI.create("did:key:z6MkwBZ6oiJ71ovCohPfdsgBrQinMXnFn6wJxVZHpZEpSh8x#z6MkwBZ6oiJ71ovCohPfdsgBrQinMXnFn6wJxVZHpZEpSh8x"));
     signer2.setDomain("example.com");
     signer2.setNonce("343s$FSFDa-");
     LdProof ldProof2 = signer2.sign(verifiablePresentation);