diff --git a/docs/gettingstarted/index.md b/docs/gettingstarted/index.md
index bbd2b09..de7f2a8 100644
--- a/docs/gettingstarted/index.md
+++ b/docs/gettingstarted/index.md
@@ -45,7 +45,7 @@ using the SC4S defaults. SC4S can be easily customized to use different indexes
 * netipam
 * oswinsec
 * osnix
-* em_metrics (ensure this is created as a metrics index)
+* em_metrics (Optional opt-in for SC4S operational metrics; ensure this is created as a metrics index)
 
 #### Install Related Splunk Apps