diff --git a/src/calibre/srv/TODO.rst b/src/calibre/srv/TODO.rst
index 332e2b9ced..9f510568a8 100644
--- a/src/calibre/srv/TODO.rst
+++ b/src/calibre/srv/TODO.rst
@@ -14,6 +14,8 @@ New features for the in-browser viewer
 - Allow loading fonts from the computer running calibre and using them
   for reading.
 
+- Add a time left for chapter/book footer.
+
 
 New features for the server generally
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