# If it is an attempt to edit the source language, redirect the user to
    # resource_detail and show him a message explaining the reason.
    if target_language == resources[0].source_language:
        request.user.message_set.create(
                message=_("The source language cannot be edited, cause this would"
                          " result in translation mismatching! If you want to "
                          "update the source strings consider using the command"
                          " line client of transifex."))
        return HttpResponseRedirect(reverse('project_detail',
                                            args=[project_slug]),)