<http://schema.org/description>
"Commas are notoriously tricky punctuation marks, and with good reason. So how can you know if you&amp;#039;re using them correctly? It comes down to one question: Is it essential?"^^<http://www.w3.org/2001/XMLSchema#string>
<http://people.howstuffworks.com/10-wrong-ways-to-use-commas5.htm>