[css-text] Shorter variant of the text clarifying the effect of word-break on U+3000

Author: frivoal

css-text-3/Overview.bs

@@ -933,7 +933,7 @@ Line Breaking Details</h3>
       <code>NU</code>, <code>AL</code>, <code>AI</code>, or <code>ID</code>
       Unicode line breaking classes [[!UAX14]]).
       It does not affect rules governing the <a>soft wrap opportunities</a>
-      created by spaces and punctuation.
+      created by spaces (including U+3000 IDEOGRAPHIC SPACE) and punctuation.
       (See 'line-break' for controls affecting punctuation.)
 
     <div class="example">
@@ -1000,10 +1000,6 @@ Line Breaking Details</h3>
         <p class=note>This is the other common behavior for Korean (which uses spaces between words),
         and is also useful for mixed-script text where CJK snippets are mixed
         into another language that uses spaces for separation.</dd>
-
-	Note: Despite its name, U+3000 IDEOGRAPHIC SPACE does not belong to the ID Unicode line breaking class
-	(it actually belongs to the BA class),
-	and the associated wrapping opportunity is <strong>not</strong> suppressed.
     </dl>
 
     <p>Symbols that line-break the same way as letters of a particular category