The help topic you requested is not available among the help files installed with the product. This problem is known, and will be addressed in a FixPack.
Currently, the information might be available in the most recent English, online InfoCenter. Search for the name of the field or button whose extended description you would like to find. The online InfoCenter is available from http://www-3.ibm.com/software/webservers/appserv/infocenter.html.