Updated Listing specific files to transfer (markdown)

Listing-specific-files-to-transfer.md

@@ -1,6 +1,6 @@
-You can create a list of specific files to transfer, and then tell AzCopy to transfer only those exact files. As at version 10.1.2, this flag remains undocumented (except for this wiki page) and it does not appear in the in-app command line help. It is however, regularly used, since it's used by Azure Storage Explorer to pass file lists to its embedded copy of AzCopy.
+You can create a list of specific files to transfer, and then tell AzCopy to transfer only those exact files. As of version 10.1.2, this flag remains undocumented (except for this wiki page) and it does not appear in the in-app command line help. It is however regularly used by Azure Storage Explorer to pass file lists to its embedded copy of AzCopy.
 
-To use this feature, create a JSON file that lists the files to be transferred. The format of the JSON file should look like this:
+To use this feature, create a JSON file that lists the files to be transferred, which are all under the root source directory. The format of the JSON file should look like this:
 
 ```
 {
@@ -10,7 +10,7 @@ To use this feature, create a JSON file that lists the files to be transferred.
    ]
 }
 ```
-(For subdirectories, the second file in the example above, you can use / all platforms, even Windows).
+(For subdirectories, the second file in the example above, you can use / for all platforms, even Windows).
 
 Then, invoke AzCopy like this for uploads:
 ```