LSE-Digital-Toolkit.md

@@ -72,7 +72,7 @@ It is important that the granularity aspect of a project is considered before a
 
 Once the fields in the tranche csv file(s) have been filled out and validated, a script is run that creates a corresponding folder structure. It is this folder structure (along with the tranche csv file) that can either be given to the Digitisation Provider to populate, or be the receptacle for migrated files.
 
-There is a script to validate that the Digitisation Provider (or migration script) has populated the tranche folder structure correctly, in terms of both the existence of files in the correct folders. It also checks whether the number of each set of derivative files matches the number of master files. For example, it will check that the number of jpg files matches the number of tif files in each child-item-set.  
+There is a script to validate that the Digitisation Provider (or migration script) has populated the tranche folder structure correctly, in terms of both the existence of files in the correct folders and, if the GFS naming convention is used for the files, that the filenames have continuous sequence numbers. It also checks whether the number of each set of derivative files matches the number of master files. For example, it will check that the number of jpg files matches the number of tif files in each child-item-set.  
 
 The toolkit is a relatively mature piece of software in some respects. The LSE has used it to process [many collections](https://lse-atom.arkivum.net/informationobject/browse) over the last four years, both for digitised and born-digital material.