Fix example URL shortener
Fix example URL shortener

jackc/pgx,rsto/pgx,plopik/pgx,jackc/pgx,jonasi/pgx,plopik/pgx,jackc/pgx,silviucm/pgx,kelvich/pgx,plopik/pgx,deoxxa/pgx,josephglanville/pgx,silviucm/pgx,jackc/pgx,silviucm/pgx