diff --git a/application.go b/application.go
index 6404556..fbb72c7 100644
--- a/application.go
+++ b/application.go
@@ -229,8 +229,9 @@ func ApplicationConfig (app ApplicationDescription) (config.ConfigCloser, error)
 }
 
 var currentGlobalConfig config.Config
-// GlobalConfig returns the global config. This is managed by Nasin and must not
-// be closed by the application.
+// GlobalConfig returns the global config. It contains options that apply to
+// Tomo/Nasin itself, such as the style sheet and the icon set. This is managed
+// by Nasin and must not be closed by the application.
 func GlobalConfig () config.Config {
 	return currentGlobalConfig
 }