diff --git a/src/config.ml b/src/config.ml
index 7edc4886..3374a962 100644
--- a/src/config.ml
+++ b/src/config.ml
@@ -4,7 +4,9 @@
    - generate `config.ml` from config file (virtual module)?
    - parse config file format
    - no relative path
-   - default config: use relevant duration, all set to 1 year for now
+   - default config
+   - better types
+   - impl duration
    *)
 
 (* TODO unikernel *)