LP #1637859: [pt-variable-advisor] Docs Typos

**Reported in Launchpad by Allan Mason last update 12-12-2016 12:50:05

[In:/doc/percona-toolkit/2.2/pt-variable-advisor.html]

The word 'examples' probably should be 'examines', in the sentence below:

At the time of this release, pt-variable-advisor only examples SHOW VARIABLES, but other input sources are planned like SHOW STATUS and SHOW SLAVE STATUS.