diff --git a/Transaction-Upload-API.md b/Transaction-Upload-API.md
index a91d3c6..36cddec 100644
--- a/Transaction-Upload-API.md
+++ b/Transaction-Upload-API.md
@@ -1,12 +1,12 @@
 # Transaction Upload API
 
-_Last Updated 2017-04-19_
+_Last Updated 2017-04-20_
 
 ## `POST /api/upload`
 
 Takes a `multipart/form-data` upload, with the following parts:
 
-* File under the form key `file2`
+* File under the form key `file`
 * JSON Object with required arguments under `json` key
 
 The JSON can be one of the following types: