RFR:JDK-8166993: Typo in java.util.Locale

[Rachna Goel]

Hi,

Please review this simple documentation fix for JDK-8166993.

Bug : https://bugs.openjdk.java.net/browse/JDK-8166993

webrev :http://cr.openjdk.java.net/~rgoel/JDK-8166993/webrev/

Thanks,

Rachna