diff --git a/src/content/docs/fundamentals/security/protect-your-origin-server.mdx b/src/content/docs/fundamentals/security/protect-your-origin-server.mdx
index 44f2dff97f6..ec572a1ead3 100644
--- a/src/content/docs/fundamentals/security/protect-your-origin-server.mdx
+++ b/src/content/docs/fundamentals/security/protect-your-origin-server.mdx
@@ -44,7 +44,7 @@ When you secure origin connections, it prevents attackers from discovering and o
 
 ## Monitor origin health
 
-For passive monitoring, [create notifications](/notifications/get-started/#create-a-notification) for **Origin Error Rate Alerts** to receive alerts when your origin returns 5xx codes above a configurable threshold and **Passive Origin Monitoring** to see when Cloudflare is unable to reach your origin for a few minutes.
+For passive monitoring, [create notifications](/notifications/get-started/#create-a-notification) for **Origin Error Rate Alerts** to receive alerts when your origin returns [5XX](/support/troubleshooting/http-status-codes/cloudflare-5xx-errors/) codes above a configurable threshold and **Passive Origin Monitoring** to see when Cloudflare is unable to reach your origin for a few minutes.
 
 For more active monitoring, set up [standalone health checks](/health-checks/) for your origin.