Update variables

Author: maxvp

src/content/docs/cloudflare-one/policies/gateway/http-policies/common-policies.mdx

@@ -69,9 +69,9 @@ Block a section of a site without blocking the entire site. For example, you can
 <TabItem label="API">
 
 ```bash
-curl https://api.cloudflare.com/client/v4/accounts/{account_id}/gateway/rule \
+curl https://api.cloudflare.com/client/v4/accounts/$ACCOUNT_ID/gateway/rule \
 --header "Content-Type: application/json" \
---header "Authorization: Bearer <API_TOKEN>" \
+--header "Authorization: Bearer $CLOUDFLARE_API_TOKEN" \
 --data '{
   "name": "Block sites by URL",
   "description": "Block specific parts of a site without blocking the hostname",