diff --git a/website/docs/language/settings/backends/http.mdx b/website/docs/language/settings/backends/http.mdx
index 9c703ccc42..8bd8bb6549 100644
--- a/website/docs/language/settings/backends/http.mdx
+++ b/website/docs/language/settings/backends/http.mdx
@@ -61,6 +61,8 @@ The following configuration options / environment variables are supported:
   authentication
 - `password` / `TF_HTTP_PASSWORD` - (Optional) The password for HTTP basic
   authentication
+- `headers` - (Optional) Map of additional headers to be included in the HTTP
+   requests sent to the backend. Defaults to `[]`.
 - `skip_cert_verification` - (Optional) Whether to skip TLS verification.
   Defaults to `false`.
 - `retry_max` / `TF_HTTP_RETRY_MAX` – (Optional) The number of HTTP request