Update 10 distinct user_stories.md

Author: philipjpark

planning/user_stories.md

@@ -15,5 +15,10 @@ Buyer: The users that are searching/shopping for sneakers.
 1. As a buyer, I want to find trendy sneakers, so that I can be stylish.
 2. As a buyer, I want to search for sneakers, so that I can purchase it in the near-future.
 3. As a buyer, I don't want to be distracted by other items, so I can focus on adding to my sneaker collection.
-4. As a seller, I want to create an easy-to-navigate website, so that my website will be the go-to place for trendy sneakers.
-5. As a seller, I want to give sneaker options to the user, so that I can generate revenue and increase profit margins.
+4. As a buyer, I can seamlessly update my cart, so I can buy only the items that I want without any issues.
+5. As a buyer, I will see sneakers that I didn't even think about adding to my collection, so I can diversify my collection.
+6. As a seller, I want to create an easy-to-navigate website, so that my website will be the go-to place for trendy sneakers.
+7. As a seller, I want to give sneaker options to the user, so that I can generate revenue and increase profit margins.
+8. As a seller, I want to store user information, so that I can notify them about future deals.
+9. As a seller, I want to make sure there is authorization and authentication, to protect myself and the user.
+10. As a seller, I want the user to stay on the site as long as possible, so that they can choose various items to purchase.