fix: Make documentation more clear.

Author: paulhazen

com.playeveryware.eos/Documentation~/configure_plugin.md

@@ -35,9 +35,9 @@ To function, the plugin needs some information from your EOS project. Be sure to
 
 5) Navigate to `Packages/Epic Online Services for Unity/Runtime` via the `Project` window.
 
-6) Add the `Singletons.prefab`, to each of your game's scenes.
-
-7) Attach `EOSManager.cs (Script)` to a Unity object, and it will initialize the plugin with the specified configuration in `OnAwake()`.
+6) Either:
+    - Add the `Singletons.prefab`, to each of your game's scenes.
+    - Attach `EOSManager.cs (Script)` to a Unity object, and it will initialize the plugin with the specified configuration in `OnAwake()` (this is what `Singletons.prefab` does).
 
 > [!NOTE]
 The included [samples](http://github.com/PlayEveryWare/eos_plugin_for_unity/blob/development/com.playeveryware.eos/README.md#samples) already have configuration values set for you to experiment with!