ChecksFinder: Update setup guide (#4973)

* Update setup_en.md

* Update worlds/checksfinder/docs/setup_en.md

Co-authored-by: Scipio Wright <scipiowright@gmail.com>

* Update worlds/checksfinder/docs/setup_en.md

Co-authored-by: Scipio Wright <scipiowright@gmail.com>

* Update worlds/checksfinder/docs/setup_en.md

Co-authored-by: Scipio Wright <scipiowright@gmail.com>

---------

Co-authored-by: Scipio Wright <scipiowright@gmail.com>

worlds/checksfinder/docs/setup_en.md

@@ -3,7 +3,8 @@
 ## Required Software
 
 - ChecksFinder from
-  the [Github releases Page for the game](https://github.com/jonloveslegos/ChecksFinder/releases) (latest version)
+  the [Github releases Page for the game](https://github.com/jonloveslegos/ChecksFinder/releases) (latest version), or 
+  from the [itch.io Page for the game](https://suncat0.itch.io/checksfinder) (including web version)
 
 ## Configuring your YAML file
 
@@ -18,13 +19,13 @@ You can customize your options by visiting the [ChecksFinder Player Options Page
 
 ## Joining a MultiWorld Game
 
-1. Start ChecksFinder
-2. Enter the following information:
-    - Enter the server url (starting from `wss://` for https connection like archipelago.gg, and starting from `ws://` for http connection and local multiserver)
-    - Enter server port
-    - Enter the name of the slot you wish to connect to
-    - Enter the room password (optional)
-    - Press `Play Online` to connect
-3. Start playing!
-
-Game options and controls are described in the readme on the github repository for the game
+1. Start ChecksFinder and press `Play Online`
+2. Switch to the console window/tab
+3. Enter the following information:
+    - Server url
+    - Server port
+    - The name of the slot you wish to connect to
+    - The room password (optional)
+4. Press `Connect` to connect
+5. Switch to the game window/tab
+6. Start playing!