Update README

README.md

@@ -18,6 +18,7 @@ Spliit is a free and open source alternative to Splitwise. You can either use th
 - [x] Assign a category to expenses [(#35)](https://github.com/spliit-app/spliit/issues/35)
 - [x] Search for expenses in a group [(#51)](https://github.com/spliit-app/spliit/issues/51)
 - [x] Upload and attach images to expenses [(#63)](https://github.com/spliit-app/spliit/issues/63)
+- [x] Create expense by scanning a receipt [(#23)](https://github.com/spliit-app/spliit/issues/23)
 
 ### Possible incoming features
 
@@ -79,7 +80,8 @@ You can offer users to create expense by uploading a receipt. This feature relie
 
 To enable the feature:
 
-- Subscribe to OpenAI API and get access to GPT4 (you might need to buy credits in advance).
+- You must enable expense documents feature as well (see section above). That might change in the future, but for now we need to store images to make receipt scanning work.
+- Subscribe to OpenAI API and get access to GPT 4 with Vision (you might need to buy credits in advance).
 - Update your environment variables with appropriate values:
 
 ```.env