Updated Archive-It heuristics URL.

The archive-it OpenSearch URL requested without restriction on
collections ("i" parameter) almost always ends up with timeout or fails.

defaults/heuristicopensearch.conf

@@ -16,7 +16,7 @@
 
 #WordPress.com = http://en.search.wordpress.com/?q={searchTerms}&f=feed&page={startPage?}  #Search WordPress.com Blogs
 #Los Angeles Times = http://framework.latimes.com/?s={searchTerms}&feed=rss2
-#Archive-It = http://archive-it.org/seam/resource/opensearch?q={searchTerms}&n=20 # archiving cultural heritage on the web
+#Archive-It = https://archive-it.org/seam/resource/opensearch?q={searchTerms}&n=20&i=5046 # Archive-it "World News" collection
 #npmjs = https://www.npmjs.com/search?q={searchTerms} # Search JavaScript packages from the npm repository 
 
 ## In addition to OpenSearch systems other connectors are available to query foreign systems