diff --git a/README.md b/README.md
index 0f22514..eb398ea 100644
--- a/README.md
+++ b/README.md
@@ -49,7 +49,9 @@ hosts a [CGI form](https://service.uoregon.edu/TDClient/2030/Portal/KB/ArticleDe
 which accepts a `.csv` or `.xls`(`x`) upload of a ballot-box and responds with the resulting
 Smith set. The application can typically handle ~100s of candidates and ~10ks of votes 
 before running into hosting resource limitations and timing out.
-
+
+No ballot data is retained on the server after execution.
+
 
 ### Python Package
 The `smithy` python package primarily provides the function `smith_set(ballot_box_df)`