Improve documentation of the various advance values.
Improve documentation of the various advance values.

yorung/XLE,yorung/XLE,yorung/XLE,xlgames-inc/XLE,xlgames-inc/XLE,yorung/XLE,xlgames-inc/XLE,yorung/XLE,yorung/XLE,xlgames-inc/XLE,xlgames-inc/XLE,xlgames-inc/XLE,xlgames-inc/XLE,yorung/XLE,xlgames-inc/XLE,yorung/XLE