-"Package %s has no available version, but exists in the database.\n"
-"This typically means that the package was mentioned in a dependency and\n"
-"never uploaded, has been obsoleted or is not available with the contents\n"
-"of sources.list\n"
+"Package %s is not available, but is referred to by another package.\n"
+"This may mean that the package is missing, has been obsoleted, or\n"
+"is only available from another source\n"