Update screenshot-endpoint.mdx (#25539)

Author: maxvp

src/content/docs/browser-rendering/rest-api/screenshot-endpoint.mdx

@@ -100,7 +100,7 @@ curl -X POST 'https://api.cloudflare.com/client/v4/accounts/<accountId>/browser-
   -H 'Authorization: Bearer <apiToken>' \
   -H 'Content-Type: application/json' \
   -d '{
-    "url": "https://cnn.com/",
+    "url": "https://cloudflare.com/",
     "screenshotOptions": {
        "fullPage": true
     },