diff --git a/config-sample.php b/config-sample.php
index c2281fc..6ed2550 100644
--- a/config-sample.php
+++ b/config-sample.php
@@ -18,7 +18,13 @@
 	$negative_votes = false;
 	$max_n_votes = 1;
 
+	// STV config
+	
+	// If using STV, also need to prepare votes using the admin/prepare-votes.php
+	// command line script.
 	$is_stv = false;
+
+	// Number of available positions
 	$delegation_size = 1;
 
 //---------------------------------------------------------------------//