Robert_Charlton - 2:13 am on Mar 30, 2013 (gmt 0)
lucy24 posted (and my emphasis added)...
Further random testing suggests that it only works if the words in your description also occur in the text of the page.
Vague antecedent here, lucy. Please clarify what you mean by "it". I might guess, but I wouldn't want to put words into your mouth.