diff --git a/millicast/webhooks/index.mdx b/millicast/webhooks/index.mdx
index 34bd351b605d..a66857a43ca3 100644
--- a/millicast/webhooks/index.mdx
+++ b/millicast/webhooks/index.mdx
@@ -117,22 +117,20 @@ The platform will send a `POST` request to the _Webhook url_ specified when the
 
 ### How-to verify the webhook
 
-A signature verification header, `X-Millicast-Signature`, is included in the callback request. This SHA1 signature uses the _Webhook secret_ so that you may verify the origin and data integrity.
+A signature verification header, `x-millicast-signature`, is included in the callback request. This SHA1 signature uses the _Webhook secret_ so that you may verify the origin and data integrity.
 
 Here is a code sample for how to use the signature to check the data.
 
-```Text title="Node.js"
+```javascript title="Node.js"
 const webhookSecretBuffer = Buffer.from(webhookSecret, 'base64');
-    const calculatedSignature = 'sha1=' + Crypto.createHmac('sha1', webhookSecretBuffer)
-    	.update(body)
-    	.digest('hex');
-    const headerSignature = request.get('X-Millicast-Signature');
-
-    if (calculatedSignature !== headerSignature) {
-      console.warn('Invalid signature sent to us, unsafe data');
-      res.status(400).send('BAD SIGNATURE');
-      return;
-    }
+const calculatedSignature = 'sha1=' + Crypto.createHmac('sha1', webhookSecretBuffer).update(body).digest('hex');
+const headerSignature = request.get('x-millicast-signature');
+
+if (calculatedSignature !== headerSignature) {
+  console.warn('Invalid signature sent to us, unsafe data');
+  res.status(400).send('BAD SIGNATURE');
+  return;
+}
 ```
 
 ### Webhook schema
diff --git a/millicast/webhooks/thumbnail.mdx b/millicast/webhooks/thumbnail.mdx
index 2470eac71804..bd5a16e536ea 100644
--- a/millicast/webhooks/thumbnail.mdx
+++ b/millicast/webhooks/thumbnail.mdx
@@ -62,11 +62,11 @@ The thumbnail webhook is a POST request that will be sent to the webhook URL wit
 
 The following HTTP headers are on the request to identify stream details:
 
-- **X-Millicast-Timestamp**: timestamp of the generated thumbnail.
-- **X-Millicast-Feed-Id**: OptiView Real-time Streaming feed id.
-- **X-Millicast-Stream-Id**: OptiView Real-time Streaming stream id.
-- **X-Millicast-Token-Id**: OptiView Real-time Streaming publish token id.
-- **X-Millicast-Signature**: SHA1 signature using the hook configured secret (The same signature mechanism used by the other webhooks).
+- **x-millicast-timestamp**: timestamp of the generated thumbnail.
+- **x-millicast-feed-id**: OptiView Real-time Streaming feed id.
+- **x-millicast-stream-id**: OptiView Real-time Streaming stream id.
+- **x-millicast-token-id**: OptiView Real-time Streaming publish token id.
+- **x-millicast-signature**: SHA1 signature using the hook configured secret (The same signature mechanism used by the other webhooks).
 
 ## Troubleshooting