Merge pull request #512 from w3c/language-metadata-or-markup

Add metadata and markup at the beginning of note

comments-by-guideline-and-success-criterion.md

@@ -869,7 +869,7 @@ With this substitution, it would read:
 
 <div class="note wcag2ict">
 
-There are some [software](#software) and [non-web document](#document) technologies where there is no assistive technology supported method for marking the language for the different passages or phrases in the non-web document or software, and it would not be possible to meet this success criterion with those technologies.</div>
+Examples of programmatic identification include language metadata or markup. There are some [software](#software) and [non-web document](#document) technologies where there is no assistive technology supported method for marking the language for the different passages or phrases in the non-web document or software, and it would not be possible to meet this success criterion with those technologies.</div>
 <div class="note wcag2ict">
 
 See also the [Comments on Closed Functionality](#comments-on-closed-functionality).</div>