Move documentation :-)

src/App/Request.php

@@ -34,7 +34,6 @@ class Request
 {
 	/**
 	 * A comma separated list of default headers that could contain the client IP in a proxy request
-	 * Beware: This list is ordered
 	 *
 	 * @var string
 	 */

static/defaults.config.php

@@ -635,6 +635,7 @@ return [
 	'proxy' => [
 		// forwarded_for_headers (String)
 		// A comma separated list of all allowed header values to retrieve the real client IP
+		// Beware: This list is ordered
 		'forwarded_for_headers' => 'HTTP_X_FORWARDED_FOR',
 
 		// trusted_proxies (String)