diff --git a/application/helpers/config_helper.php b/application/helpers/config_helper.php
index 1ee828f0..2981a813 100644
--- a/application/helpers/config_helper.php
+++ b/application/helpers/config_helper.php
@@ -13,6 +13,8 @@
 
 /**
  * Get / set the specified config value.
+ * 
+ * If an array is passed as the key, we will assume you want to set an array of values.
  *
  * Example "Get":
  *