--- a/accept-language.inc	Tue Oct 09 20:15:20 2012 +0200
+++ b/accept-language.inc	Thu Oct 11 00:06:26 2012 +0200
@@ -1,4 +1,15 @@
 <?php
+/**
+ * @file
+ * Functionality for determining language use
+ */
+
+/**
+ * Extracts the accepted languages from the GET query, sorted by
+ * preference(q-value).
+ *
+ * @return associative array of language codes with q value
+ */
 function acceptedLanguages() {
   $langs = array();