diff --git a/Design.md b/Design.md
index 02b1f81..200fe24 100644
--- a/Design.md
+++ b/Design.md
@@ -220,3 +220,4 @@ Maybe it would be good to convert to SLF4J?
 MS open sourced the file formats around five years ago, so allowing imports
 from this widespread email client would be a nice feature.
 
+