Docs: Improve ElasticSearch troubleshooting

doc/administration/troubleshooting/elasticsearch.md

@@ -203,7 +203,7 @@ To do this:
    ```rails
    u = User.find_by_email('email_of_user_doing_search')
    s = SearchService.new(u, {:search => 'search_term'})
-   pp s.search_objects.class.name
+   pp s.search_objects.class
    ```
 
 The output from the last command is the key here. If it shows:
@@ -217,7 +217,9 @@ The output from the last command is the key here. If it shows:
 
 If all the settings look correct and it is still not using Elasticsearch for the search function, it is best to escalate to GitLab support. This could be a bug/issue.
 
-Moving past that, it is best to attempt the same search using the [Elasticsearch Search API](https://www.elastic.co/guide/en/elasticsearch/reference/current/search-search.html) and compare the results from what you see in GitLab.
+Moving past that, it is best to attempt the same [search via the Rails console](../../integration/elasticsearch.md#i-indexed-all-the-repositories-but-i-cant-get-any-hits-for-my-search-term-in-the-ui)
+or the [Elasticsearch Search API](https://www.elastic.co/guide/en/elasticsearch/reference/current/search-search.html),
+and compare the results from what you see in GitLab.
 
 If the results: