RFR [9] 8079075: some docs cleanup for CORBA - part 1

[alexander stepanov]

Hello,

Could you please review the following fix
http://cr.openjdk.java.net/~avstepan/8079075/webrev.00/
for
https://bugs.openjdk.java.net/browse/JDK-8079075

Just some HTML markup fix for CORBA.

Thanks,
Alexander