fix logic: These can't be "another two" article elements (#1705)

if no other article elements have been mentioned, yet.
(Previously they were `div` elements and the now-`header` element
preceding them was then also a `div`. But since #1681 not anymore.)

Author: das-g

en/html/README.md

@@ -152,7 +152,7 @@ Here's an example of a full template, copy and paste it into `blog/templates/blo
 We've created one `header` section and two `article` section here.
 
 - The `header` element contains the title of our blog – it's a heading and a link
-- Another two `article` elements contain our blog posts with a published date in a `time` element, a `h2` element with a post title that is clickable and a `p` (paragraph) element for text of our blog post.
+- The two `article` elements contain our blog posts with a published date in a `time` element, a `h2` element with a post title that is clickable and a `p` (paragraph) element for text of our blog post.
 
 It gives us this effect: