the method of adding comment part in blogger

1.click any post,in the lower part look for "Subscribe to: Post Comments (Atom)" click and appear the post comments page,copy the feed address except the number part.
for example:i click one of my url:
http://tourbeau.blogspot.com/feeds/9085363482909303457/comments/default
after deleting the number part,the correct url is： 
http://tourbeau.blogspot.com/feeds/comments/default2.enter the dashboard of blogger,click "layout"

3.click "add a gadget"

4.look for the "feed" icon.

5.click to enter the feed url copied just now：
http://tourbeau.blogspot.com/feeds/comments/default6.click "continue"

7.customize the appeared page:include how many items to appear in the sidebar,item dates,item sources.

8.click "save"

9.then back to the "layout" page to rearrange the gadget anywhere you will

this is the process.