changed slo reference

Author: marciocloudflare

src/content/partials/magic-wan/magic-tunnel-health-alerts/magic-tunnels-slos.mdx

@@ -11,7 +11,7 @@ A ratio between the total number of positive events divided by the total number
 
 ### Service-level objectives (SLOs)
 
-SLOs are the threshold for the SLI, and set a target level of reliability for Magic Tunnels. For example, if the SLI is the percentage of successful Magic Tunnel health checks, an SLO could be 99.9% of requests being successful over the past 30 days. Customers decide the required threshold to be notified of a problem with Magic Tunnels. Above the set threshold, Cloudflare will not send any alerts.
+SLOs are the threshold for the SLI and they set a target level of reliability for Magic Tunnels. For example, if the SLI is based on the percentage of Magic Tunnel states meeting the desired criteria, an SLO could be 99.9% of tunnel states being healthy over the past 30 days.
 
 ### Error budget