readme

README.md

@@ -1,4 +1,9 @@
 # Enron Dataset
+The data has been retrieved from (1) website and unpackaged. beware that the mails are from real people and to
+be sensitive in dealing with this data. (1) The data compressed is about 423 mb. the current version of the dataset is
+from May 7, 2015. (1)
+regarding source code in this repository. it's licensed under [MIT Lisense](license.md) and is not associated with the original dataset.
+
 
 ## Footnotes
-* [Enron Dataset, 24-06-2022, MIT, Leslie Kaelbling](https://www.cs.cmu.edu/~./enron/)
+1. [Enron Dataset, 24-06-2022, CMU, William W. Cohen](https://www.cs.cmu.edu/~./enron/)