Renamed fileName to name

Author: whiteshadow-gr

docs/fileUploadDocs.md

@@ -123,7 +123,7 @@ By default, the user who saved the file onto the HAT is allowed to see the file'
 HAT files can be looked up by any part of metadata attached to them:
 
 - `fileId` for an exact match, where one or no files are returned
-- `fileName` for an exact match on the original name, but multiple files could potentially be returned. *Empty* string if you do not want to match against `fileName`
+- `name` for an exact match on the original name, but multiple files could potentially be returned. *Empty* string if you do not want to match against `name`
 - `source` matching all files from a specific source such as `facebook`. *Empty* string if you do not want to match against `source`
 - `tags` a set of all tags matching files need to have attached
 - `title` and `description` for an approximate, text-based search matching the fields