diff --git a/README.md b/README.md
index 6fb09cf..c63d36c 100644
--- a/README.md
+++ b/README.md
@@ -7,6 +7,10 @@ I'm aware this implementation is not memory efficient with large files.
 
 I'm working on the optimization, but I'm not going to make it in time. :(
 
+EDIT: I finished the optimization, this is the final version. I just wanted to finish what I had in mind.
+
+Pre deadline version is tagged `pre-deadline`
+
 ## Usage
 
 To encrypt a file use the following syntax: