Update resource name (review)

Co-authored-by: Rebecca Tamachiro <[email protected]>

Author: pedrosousa

src/content/docs/waf/detections/malicious-uploads/get-started.mdx

@@ -157,7 +157,7 @@ lookup_json_string(http.request.body.raw, "file")
 Use the `cloudflare_content_scanning_expression` resource to add a custom scan expression. For example:
 
 ```terraform
-resource "cloudflare_content_scanning_expression" "mu_custom_scan_expression" {
+resource "cloudflare_content_scanning_expression" "my_custom_scan_expression" {
   zone_id = <ZONE_ID>
   payload = "lookup_json_string(http.request.body.raw, \"file\")"
 }