diff --git a/README.md b/README.md
index 494cee4..1fa0192 100644
--- a/README.md
+++ b/README.md
@@ -24,3 +24,6 @@ Options:
   -h, --help     Print help
   -V, --version  Print version
 ```
+
+Please note that some parts of the implementation have not been given enough
+thought.