diff --git a/felt/core/s3_upload_parameters.py b/felt/core/s3_upload_parameters.py
index 9942624..a719e97 100644
--- a/felt/core/s3_upload_parameters.py
+++ b/felt/core/s3_upload_parameters.py
@@ -21,6 +21,8 @@ def to_form_fields(self) -> Dict:
         """
         Returns all form fields including the presigned attributes required
         for the upload
+        Presigned attributes must be returned in the same order they
+        appeared in the original JSON
         """
         return {**self._presigned_attributes}