RFR [9] 8079342: some docs cleanup for CORBA - part 2

[alexander stepanov]

Hello,

Could you please review the following fix
http://cr.openjdk.java.net/~avstepan/8079342/webrev.00/
for
https://bugs.openjdk.java.net/browse/JDK-8079342

Just some HTML markup fix for CORBA.

Thanks,
Alexander