Bug#763026: mention where in Memtest86+ the format can be found

[積丹尼 Dan Jacobson]

In fact we see "Syntax is the same as provided by the Memtest86+
utility:" needs to say where deep in the Memtest86+ one needs to enable
this!
http://unix.stackexchange.com/questions/75059/how-to-blacklist-a-correct-bad-ram-sector-according-to-memtest86-error-indicati

Press 'c' to reach the configuration dialogue
Then '4' for "Error Report Mode"
Then '3' for "BadRAM Patterns"!