Grammar: that -> this
Fixing tabbing (spacing) of PDO connection.

Just so it looks as clean as it should.
Merge pull request #455 from cballou/patch-1

Fixing tabbing (spacing) of PDO connection.
Merge pull request #454 from rhynodesigns/patch-1

Grammar: that -> this
Merge remote-tracking branch 'upstream/gh-pages' into gh-pages