diff --git a/spec/openapi.yaml b/spec/openapi.yaml
index 15eb316e..01f94e01 100644
--- a/spec/openapi.yaml
+++ b/spec/openapi.yaml
@@ -2554,6 +2554,10 @@ paths:
           multipart/form-data:
             schema:
               properties:
+                file:
+                  description: The file contents to upload.
+                  type: string
+                  format: binary
                 fileUri:
                   description: >-
                     The Smartling URI for a file that contains the original
@@ -2590,6 +2594,7 @@ paths:
                   type: boolean
               required:
               - fileUri
+              - file
               type: object
         required: true
       responses: