diff --git a/core/README.md b/core/README.md
index 2c4064a..14df502 100644
--- a/core/README.md
+++ b/core/README.md
@@ -58,3 +58,7 @@ docker run -ti -d \
 ```
 
 Note that the certificates must be named `email.crt` and `email.key`.
+
+## TODO
+
+* managesieve