Fix typo at eck-stack-monitoring.md (#1629)

[Preview](https://docs-v3-preview.elastic.dev/elastic/docs-content/pull/1629/deploy-manage/monitor/stack-monitoring/eck-stack-monitoring#enable-stack-monitoring)

Author: tanja-milicic

deploy-manage/monitor/stack-monitoring/eck-stack-monitoring.md

@@ -38,7 +38,7 @@ However, for maximum efficiency and minimizing resource consumption, or advanced
 
 To enable stack monitoring, reference the monitoring {{es}} cluster in the `spec.monitoring` section of their specification. 
 
-The monitoring cluster must be managed by ECK in the same Kubernetes cluster as the monitored one. To learn how to connect an external monitoring cluster, refer to [Connect ot an external monitoring {{es}} cluster](#k8s_connect_to_an_external_monitoring_elasticsearch_cluster).
+The monitoring cluster must be managed by ECK in the same Kubernetes cluster as the monitored one. To learn how to connect an external monitoring cluster, refer to [Connect to an external monitoring {{es}} cluster](#k8s_connect_to_an_external_monitoring_elasticsearch_cluster).
 
 The following example shows how {{stack}} components can be configured to send their monitoring data to a separate {{es}} cluster in the same Kubernetes cluster.