Changed "too" to "tool" in the sentence "To update the package to a newer version, use the `yupdate` tool."
As of today Solus has fully migrated away from the legacy cgit/gitolite combination, to the fully configured Phabricator instance. As such, the old URLs are no longer valid. Signed-off-by: Ikey Doherty <ikey@solus-project.com>