diff --git a/libavformat/cache.c b/libavformat/cache.c
index c08250b187..a95ad53713 100644
--- a/libavformat/cache.c
+++ b/libavformat/cache.c
@@ -21,6 +21,13 @@
  * Based on file.c by Fabrice Bellard
  */
 
+/**
+ * @TODO
+ *      support non continuous caching
+ *      support keeping files
+ *      support filling with a background thread
+ */
+
 #include "libavutil/avassert.h"
 #include "libavutil/avstring.h"
 #include "libavutil/file.h"