Add missing word to Sidekiq troubleshooting doc

doc/administration/troubleshooting/sidekiq.md

@@ -212,7 +212,7 @@ the query details.
 ## Managing Sidekiq queues
 
 It is possible to use [Sidekiq API](https://github.com/mperham/sidekiq/wiki/API)
-to perform a number of troubleshooting on Sidekiq.
+to perform a number of troubleshooting steps on Sidekiq.
 
 These are the administrative commands and it should only be used if currently
 admin interface is not suitable due to scale of installation.