Update gathering-information-for-troubleshooting-sites.mdx (#18417)

Point to specific part in docs for the  HTTP errors.

Author: nenizera

src/content/docs/support/troubleshooting/general-troubleshooting/gathering-information-for-troubleshooting-sites.mdx

@@ -452,7 +452,7 @@ Please refer to this documentation, which explains more about analysing MTR: [Ho
 
 Issues that happen at the layers 3/4 occur before requests reaching Cloudflare's logging system, so they do not show up in the HTTP logs. Therefore, troubleshooting issues related to connection resets, packet loss or SSL handshake failures can be tricky without a deep investigation at the packet level.
 
-Some HTTP errors generated by Cloudflare, such as [520s](https://support.cloudflare.com/hc/en-us/articles/115003011431-Troubleshooting-Cloudflare-5XX-errors#520error), [524s](https://support.cloudflare.com/hc/en-us/articles/115003011431-Troubleshooting-Cloudflare-5XX-errors#524error) and [525s](https://support.cloudflare.com/hc/en-us/articles/115003011431-Troubleshooting-Cloudflare-5XX-errors#525error), show underlying issues at layers 3/4, and might require a packet capture for further investigation.
+Some HTTP errors generated by Cloudflare, such as [520s](/support/troubleshooting/cloudflare-errors/troubleshooting-cloudflare-5xx-errors/#error-520-web-server-returns-an-unknown-error), [524s](/support/troubleshooting/cloudflare-errors/troubleshooting-cloudflare-5xx-errors/#error-524-a-timeout-occurred) and [525s](/support/troubleshooting/cloudflare-errors/troubleshooting-cloudflare-5xx-errors/#error-525-ssl-handshake-failed), show underlying issues at layers 3/4, and might require a packet capture for further investigation.
 
 **How to Run a Packet Capture**