Fixed some stuff in documentation.
diff --git a/system/helpers/date_helper.php b/system/helpers/date_helper.php
index 131508f..a5c46e4 100644
--- a/system/helpers/date_helper.php
+++ b/system/helpers/date_helper.php
@@ -42,8 +42,8 @@
 	/**
 	 * Get "now" time
 	 *
-	 * Returns time() based on the timezone parameter or on the "timezone"
-	 * setting
+	 * Returns time() based on the timezone parameter or on the
+	 * "time_reference" setting
 	 *
 	 * @param	string
 	 * @return	int