Typos OCP manual Boyarsky & Selikoff (Sybex)

[Miguel Callejón]

Hi, everybody!
The first one was already spotted on page 347, but happens again on page 349:
TimeUnit.MINUTE -> TimeUnit.MINUTES
The second one, on page 359, after the snippet under "Understanding Memory Consistency Errors":
...since the iterator keyset() is not...

Thank you!

[Jeanne Boyarsky]

Good eyes. I've added both new findings to the errata