Small fix in second example

Second example uses PDO to connect to SQLite, comment says it's connecting to MySQL
Merge pull request #397 from ParallelMazen/patch-1

Small fix in second example comment: MySQL > SQLite
Adds a comma to the description of recursion

Parenthetical elements should be set off using a comma.
Merge pull request #398 from johnbacon/patch-1

Adds a comma to the description of recursion
Update translation