-<li> Click on a directory link to navigate into that directory,
-<li> Click on a file version link to download that file.
+<li> Click on a directory link (\$Lang->{DirHistory_dirLink}) to navigate
+ into that directory,
+<li> Click on a file version link (\$Lang->{DirHistory_fileLink}0,
+ \$Lang->{DirHistory_fileLink}1, ...) to download that file,
+<li> Files with the same contents between different backups have the same
+ version number,
+<li> Files or directories not present in a particular backup have an
+ empty box.
+<li> Files shown with the same version might have different attributes.
+ Select the backup number to see the file attributes.