in the submodule between the given super project commit and the
index or working tree (switched by --cached) are shown. If the option
--files is given, show the series of commits in the submodule between
- the index of super project the and the working tree of the submodule
+ the index of the super project and the working tree of the submodule
(this option doesn't allow to use the --cached option or to provide an
explicit commit).