diff --git a/.speakeasy/in.openapi.yaml b/.speakeasy/in.openapi.yaml
index e790983f..4303f3b9 100644
--- a/.speakeasy/in.openapi.yaml
+++ b/.speakeasy/in.openapi.yaml
@@ -28646,7 +28646,7 @@ paths:
           results: '$.data'
         type: 'cursor'
     post:
-      description: 'Uploads a file to be referenced in future API calls. The file is stored under the workspace of the authenticating API key. Maximum file size: 100 MB.'
+      description: 'Uploads a file to be referenced in future API calls. The file is stored under the workspace of the authenticating API key. Maximum file size: 100 MB; empty files are rejected. The file type is determined from the file contents — not the filename or the declared content type — and must be a PDF, a PNG/JPEG/GIF/WebP image, a DOCX/XLSX/PPTX document, an MP3/WAV/FLAC/OGG audio file, or UTF-8 text. Text is reported by its structure as `application/json`, `application/x-ndjson`, `text/csv`, `text/markdown`, or `text/plain`.'
       operationId: 'uploadFile'
       parameters:
         - description: 'Workspace to scope the request to. Defaults to the caller’s default workspace.'