diff --git a/README.md b/README.md
index 18983a0..6de54b9 100644
--- a/README.md
+++ b/README.md
@@ -20,7 +20,11 @@
 
 ## Synopsis
 
-Grafana Alloy is a log management agent built by Grafana labs to scrape and forward logs to Loki, a log management system also built by Grafana labs.  Then you can use Grafana itself to visualize those logs and built an alerting system.
+Grafana Alloy is a log management agent built by Grafana labs to scrape and forward logs to Loki, a log management system also built by Grafana labs.
+
+It also can scrape and forward metrics to Prometheus.
+
+Then you can use Grafana itself to visualize those logs and metrics and built an alerting system.
 
 `confdroid_alloy` is a Puppet module to automate installation and configuration of alloy.
 
@@ -33,6 +37,7 @@ Grafana Alloy is a log management agent built by Grafana labs to scrape and forw
 INSTALLATION
 
 - installs alloy binaries
+- installs node exporter (optional, set `ay_manage_ne`to `true`)
 
 CONFIGURATION