diff --git a/docs/index.html b/docs/index.html
index 87508ab9f..f79465457 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -886,21 +886,6 @@ <h5>Supporting Documents</h5>
               consignee is identified on the document.
             </p>
           </dd>
-          <dt>Proforma Invoice</dt>
-          <dd>
-            <figure>
-              <img
-                src="samples/proforma-invoice-form.png"
-                alt="Sample Proforma Invoice form"
-                style="width: 40%"
-              />
-              <figcaption>Sample Proforma Invoice form</figcaption>
-            </figure>
-            <p>
-              The <a href="#ProformaInvoiceCredential">Proforma Invoice</a> is a
-              sample invoice provided by an exporter prior to a sale.
-            </p>
-          </dd>
           <dt>Commercial Invoice</dt>
           <dd>
             <figure>
@@ -1037,7 +1022,7 @@ <h5>Workflow Definition</h5>
           <pre class="js">
                 {
                   "@context": [
-                    "https://www.w3.org/ns/credentials/v2",
+                    "https://www.w3.org/2018/credentials/v1",
                     "https://w3id.org/traceability/v1"
                   ],
                   "id": "urn:uuid:3978344f-8596-4c3a-a978-8fcaba3903c5",
@@ -1126,7 +1111,7 @@ <h5>Workflow Instance</h5>
           <pre class="js">
 {
   "@context": [
-    "https://www.w3.org/ns/credentials/v2",
+    "https://www.w3.org/2018/credentials/v1",
     "https://w3id.org/traceability/v1"
   ],
   "id": "urn:uuid:3978344f-8596-4c3a-a978-8fcaba3903c5",
@@ -1193,7 +1178,7 @@ <h4>Presentation Replacement</h4>
           <pre class="js">
 {
   "@context": [
-    "https://www.w3.org/ns/credentials/v2",
+    "https://www.w3.org/2018/credentials/v1",
     "https://w3id.org/traceability/v1"
   ],
   "id": "urn:uuid:p2",
@@ -1219,7 +1204,7 @@ <h4>Presentation Replacement</h4>
   "verifiableCredential": [
     {
       "@context": [
-        "https://www.w3.org/ns/credentials/v2",
+        "https://www.w3.org/2018/credentials/v1",
         "https://w3id.org/traceability/v1"
       ],
       "id": "urn:uuid:c2",