diff --git a/airtime_mvc/application/models/StoredFile.php b/airtime_mvc/application/models/StoredFile.php
index e31e6fd4e..dd945d328 100644
--- a/airtime_mvc/application/models/StoredFile.php
+++ b/airtime_mvc/application/models/StoredFile.php
@@ -418,13 +418,15 @@ SQL;
      */
     public function getFileExtension()
     {
-        // TODO : what's the point of having this function? Can we not just use
-        // the extension from the file_path column from cc_files?
         $possible_ext = $this->getRealFileExtension();
         if ($possible_ext !== "") {
             return $possible_ext;
         }
 
+
+        // We fallback to guessing the extension from the mimetype if we
+        // cannot extract it from the file name
+
         $mime = $this->_file->getDbMime();
 
         if ($mime == "audio/ogg" || $mime == "application/ogg") {