diff --git a/peakflo-v1.0.yaml b/peakflo-v1.0.yaml
index a70c0d4..b4f4ec3 100644
--- a/peakflo-v1.0.yaml
+++ b/peakflo-v1.0.yaml
@@ -4590,10 +4590,11 @@ components:
       type: string
       enum:
         - invoice
+        - transaction
         - other
-      description: The supported file types
+      description: The supported file types for AR invoice attachments
       x-examples:
-        Example: Invoice
+        Example: invoice
     APAttachments:
       type: object
       properties: