diff --git a/src/calibre/ebooks/docx/writer/TODO b/src/calibre/ebooks/docx/writer/TODO
index f5d0b45543..0c2744d56f 100644
--- a/src/calibre/ebooks/docx/writer/TODO
+++ b/src/calibre/ebooks/docx/writer/TODO
@@ -10,3 +10,4 @@ Cover image
 RTL text
 Lang support in run styles <w:lang>
 Create graphical config widget
+Roundtripping of dropcaps