A DESCRIPTION OF THE PROBLEM :
note: the exact same errors are also on the Unix documentation URL: http://docs.oracle.com/javase/8/docs/technotes/tools/unix/javac.html

1) the option "-werror" should be "-Werror" with uppercase W
2) in the description of "-Xdoclint:[-]group [/access]", the example descriptions are wrong
2a) For example, [...] access level protected and higher (which includes protected, package and public):
should be
For example, [...] access level protected and higher (which includes protected and public):
2b) [...] access level package and higher (which includes package and public):
should be
[...] access level package and higher (which includes package, protected and public):
3) in the description of "-Xdoclint:[-]group [/access]", the default access level must be specified (for Java 1.8.0_31, the default is private)
4) in the section "Enable or Disable Warnings with the -Xlint Option" the option "Serial" should be "serial" with lowercase s



URL OF FAULTY DOCUMENTATION :
http://docs.oracle.com/javase/8/docs/technotes/tools/windows/javac.html