How about...
The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
"SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this
document are to be interpreted as described in [RFC2119] when they
appear in ALL CAPS. These words may also appear in this document in
lower case as plain English words, absent their normative meanings. Other
words found in this document MAY also have their expected meanings. The
term TROLL-BAIT is to be interpreted as described in [1].
[1] http://www.urbandictionary.com/define.php?term=TROLL%20BAIT