diff --git a/readme.txt b/readme.txt
index 5f7ee9e..038fc26 100644
--- a/readme.txt
+++ b/readme.txt
@@ -1,5 +1,5 @@
 USAGE:
-python3 main.py <max|and
+python3 main.py <max|and>
 max = guess fraudulent if the heuristic for the best column finds it
 and = guess fraudulent if ALL the heuristics determined to be good find it