diff --git a/README.md b/README.md
index 5a42c6b..8fdbf05 100644
--- a/README.md
+++ b/README.md
@@ -9,3 +9,4 @@ visualisation of the content of a raw file (.hdf):
 
 > `events2histogram.py`
 
+#TODO: real readme for final system needed.