diff --git a/doc/05-service-monitoring.md b/doc/05-service-monitoring.md
index f37630913..c9fd69de3 100644
--- a/doc/05-service-monitoring.md
+++ b/doc/05-service-monitoring.md
@@ -898,7 +898,7 @@ Instead, choose a plugin and configure its parameters and thresholds. The follow
* [running_kernel](10-icinga-template-library.md#plugin-contrib-command-running_kernel)
* package management: [apt](10-icinga-template-library.md#plugin-check-command-apt), [yum](10-icinga-template-library.md#plugin-contrib-command-yum), etc.
* [ssh](10-icinga-template-library.md#plugin-check-command-ssh)
-* performance: [iostat](10-icinga-template-library.md#plugin-contrib-command-iostat), [check_sar_perf](https://github.com/dnsmichi/icinga-plugins/blob/master/scripts/check_sar_perf.py)
+* performance: [iostat](10-icinga-template-library.md#plugin-contrib-command-iostat), [check_sar_perf](https://github.com/NETWAYS/check-sar-perf)
### Windows Monitoring
diff --git a/doc/10-icinga-template-library.md b/doc/10-icinga-template-library.md
index 0cc27494c..10ddd1d5f 100644
--- a/doc/10-icinga-template-library.md
+++ b/doc/10-icinga-template-library.md
@@ -3507,7 +3507,7 @@ mem_critical | **Required.** Specify the critical threshold as number interprete
#### sar-perf
-The [check_sar_perf.py](https://github.com/dnsmichi/check-sar-perf)
+The [check_sar_perf.py](https://github.com/NETWAYS/check-sar-perf)
plugin collects performance metrics from Linux hosts using the `sar` binary available in the `sysstat` package.
Custom variables passed as [command parameters](03-monitoring-basics.md#command-passing-parameters):