Update readme, correct text to insert link in header.

bobdenotter · web-flow · commit 6a9b76fd5718 · 2017-05-11T11:32:22.000+02:00
Fixed #28.
diff --git a/README.md b/README.md
@@ -6,15 +6,16 @@ enabling the extension, go to `http://example.org/sitemap.xml` to see it.
 
 The bigger search-engines like Google and Bing will automatically pick up your
 sitemap after a while, but it's always a good idea to explicitly tell the search
-engines where to find it. To do so, add the following line to your robots.txt
-file:
-
-    Sitemap: http://example.org/sitemap.xml
-    
-and to the `<head>` section of your pages:
+engines where to find it. To do so, this extension automatically adds the link 
+to the `<head>` section of your pages:
 
     <link rel="sitemap" type="application/xml" title="Sitemap" href="/sitemap.xml" />
 
+Apart from that, it's good pratice to also add the following line to your 
+`robots.txt` file:
+
+    Sitemap: http://example.org/sitemap.xml
+    
 Obviously, you should replace 'example.org' with the domain name of your website.
 
 This extension adds a 'route' for `/sitemap.xml` and `/sitemap` by default, but it 
