diff --git a/morph/lib/customize-monitoring.nix b/morph/lib/customize-monitoring.nix
index 56de405f83d76767adefea69eba5adb5d5819914..6e19ff997b88450a6f271c960ae099e44d0ea987 100644
--- a/morph/lib/customize-monitoring.nix
+++ b/morph/lib/customize-monitoring.nix
@@ -31,7 +31,8 @@
   # which nodes to scrape PaymentServer metrics from.
 , paymentExporterTargets ? []
 
-  # A string containing the ClientID for authorization against GSuite
+  # A string containing the GSuite OAuth2 ClientID to use to authenticate
+  # logins to Grafana.
 , googleOAuthClientID
 
   # A string giving the NixOS state version for the system.