fixed typo bug

Author: andrewelamb

docs/explanations/manifest_csv.md

@@ -44,7 +44,7 @@ These columns are present in manifests generated by the Synapse UI download cart
 |-------------------|-------------------------------|
 | error             | any error in downloading file |
 | versionNumber     | version of the file           |
-| dataFileSizeBites | size of the file in bytes     |
+| dataFileSizeBytes | size of the file in bytes     |
 | createdBy         | user who created the file     |
 | createdOn         | date the file was created     |
 | modifiedBy        | user who last modified        |

synapseclient/models/services/manifest.py

@@ -57,7 +57,7 @@
         # Download-list / Synapse UI informational columns — ignore for upload
         "error",
         "versionNumber",
-        "dataFileSizeBites",
+        "dataFileSizeBytes",
         "createdBy",
         "createdOn",
         "modifiedBy",