Update README.md

README.md

@@ -64,6 +64,8 @@ gem "judoscale-que"
 
 For most apps, no additional configuration is needed. See the [configuration](#configuration) section below for all available options.
 
+Note that if you aren't using Rails, you'll need to start the reporter manually. See below.
+
 ## Worker-only apps
 
 If your app doesn't have a web process, you don't _have_ to include the "judoscale-rails" gem. If you omit it, you'll need to start the reporter manually:
@@ -73,6 +75,8 @@ require "judoscale/reporter"
 Judoscale::Reporter.start
 ```
 
+You should do this _after_ you've configured your job backend (such as `Sidekiq.configure_server`).
+
 ## What data is collected?
 
 The reporter runs in its own thread so your web requests and background jobs are not impacted. The following data is submitted periodically to the Judoscale API: