Two quick typo fixes
# Node Mixin
-_This is work in progress. We aim for it to become a good role model for alerts
+_This is a work in progress. We aim for it to become a good role model for alerts
and dashboards eventually, but it is not quite there yet._
The Node Mixin is a set of configurable, reusable, and extensible alerts and
-dashboards based on the metrics exported by the Node Exporter. The mixin create
+dashboards based on the metrics exported by the Node Exporter. The mixin creates
recording and alerting rules for Prometheus and suitable dashboard descriptions
for Grafana.
