[ntuple] update on-disk format post

Co-authored-by: Philippe Canal <[email protected]>

blog/_posts/2024-11-28-rntuple-binary-format.md

@@ -79,7 +79,7 @@ optional information such as metadata in the future.
 Some other key features of the new format are
   - a [formal specification](https://github.com/root-project/root/blob/v6-34-00-patches/tree/ntuple/v7/doc/BinaryFormatSpecification.md),
   allowing third parties to easily write data readers and writers without reverse engineering the code;
-  - strict use of 64 bit checksums both on data and metadata;
+  - strict use of 64 bit checksums both on data and metadata, ensuring data integrity;
   - forward looking limits that prepare us, e.g.,
   for storing hundreds of thousands of columns in files of hundreds of terabytes each;
   - preparation for native use of object stores such as S3 or DAOS;