Updated the PNL command with 'ua' (line 36).

Updated the PNL command with ',ua' after feedback from a customer. When a customer is ratelimited by "zone bots" it is good to know which user agent to put on the exclude list for rate limiting.

Author: NickSiemonsma

docs/hypernode-platform/nginx/how-to-resolve-rate-limited-requests-429-too-many-requests.md

@@ -33,7 +33,7 @@ Both methods are implemented using [this module](http://nginx.org/en/docs/http/n
 
 You can quickly determine which method of Rate Limiting was the cause of the request being 429'd since each time any of the rate-limiting methods are hit, a message with be logged in the Nginx error log.
 
-To do so you first look up the request in the access logs, which can be done using the hypernode-parse-nginx-logs (**pnl**) command: `pnl --today --fields time,status,remote_addr,request --filter status=429`
+To do so you first look up the request in the access logs, which can be done using the hypernode-parse-nginx-logs (**pnl**) command: `pnl --today --fields time,status,remote_addr,request,ua --filter status=429`
 
 Copy the IP address from the output generated by this command and look up the corresponding log entry in the aforementioned Nginx error log with `cat /var/log/nginx/error.log | grep "1.2.3.4"`