Merge pull request #278 from Icinga:doc/link_to_metrics_over_time

Doc: Fixes link to metrics over time documentation

Author: LordHepipud

doc/10-Icinga-Plugins.md

@@ -14,7 +14,7 @@ Please ensure that you will escape the `@` if you are configuring it on the Icin
 
 To test thresholds with different input values, you can use the Framework Cmdlet `Get-IcingaHelpThresholds`.
 
-Each plugin ships with a constant Framework argument `-ThresholdInterval`. This can be used to modify the value your thresholds are compared against from the current, fetched value to one collected over time by the Icinga for Windows daemon. In case you [registered service checks](https://icinga.com/docs/icinga-for-windows/latest/doc/service/10-Register-Service-Checks/) for specific time intervals, you can for example set the argument to `15m` to get the average value of 15m as base for your monitoring values. Please note that in this example, you will require to have collected the `15m` average for `Invoke-IcingaCheckCPU`.
+Each plugin ships with a constant Framework argument `-ThresholdInterval`. This can be used to modify the value your thresholds are compared against from the current, fetched value to one collected over time by the Icinga for Windows daemon. In case you [Collect Metrics Over Time](https://icinga.com/docs/icinga-for-windows/latest/doc/110-Installation/06-Collect-Metrics-over-Time/) for specific time intervals, you can for example set the argument to `15m` to get the average value of 15m as base for your monitoring values. Please note that in this example, you will require to have collected the `15m` average for `Invoke-IcingaCheckCPU`.
 
 ```powershell
 icinga> icinga { Invoke-IcingaCheckCPU -Warning 20 -Critical 40 -Core _Total -ThresholdInterval 15m }