diff --git a/README.md b/README.md
index aa1250c..d3eb2e1 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@ Unsuprisingly, we will need a cookie table.
 ```sql
 CREATE TABLE cookie (
     cookie_id INT PRIMARY KEY,
-    cookie_name VARCHAR(50) NOT NULL,
+    cookie_name VARCHAR(50) NOT NULL UNIQUE,
 );
 ```