[css2] minor rewording

--HG--
extra : convert_revision : svn%3A73dc7c4b-06e6-40f3-b4f7-9ed1dbc14bfc/trunk%401570

Author: howcom

css2/generate.src

@@ -488,7 +488,7 @@ informative table lists some of the ISO 10646 quotation
 mark characters:</em></p>
 
 <TABLE border>
-<TR><TH>Approximated rendition<TH>ISO 10646 code (hex)<TH>Description
+<TR><TH>Approximate rendering<TH>ISO 10646 code (hex)<TH>Description
 <TR><TD>"<TD>0022<TD>QUOTATION MARK [the ASCII double quotation mark]
 <TR><TD>'<TD>0027<TD>APOSTROPHE     [the ASCII single quotation mark]
 <TR><TD><<TD>2039<TD>SINGLE LEFT-POINTING ANGLE QUOTATION MARK