diff --git a/extensions/notifications/config.yaml b/extensions/notifications/config.yaml
index e12fffc66..735bf329b 100644
--- a/extensions/notifications/config.yaml
+++ b/extensions/notifications/config.yaml
@@ -23,6 +23,7 @@ beef:
               to_address: receipient_email_address
               smtp_host: 127.0.0.1
               smtp_port: 25
+            # Make sure you do 'gem install rushover' before enabling this feature.
             pushover:
               enable: false
               user_key: pushover_user_key