.js -> .js or .ts

BeginnersGuide.md

@@ -44,9 +44,7 @@ If you need help with your particular system, feel free to ask for help in the O
 - You should see a NetscriptDefinitions.d.ts automatically appear in the folder on your computer (ex. `C:\Users\yourusername\Workspace\BitburnerScripts\NetscriptDefinitions.d.ts`).
 
 ### 9. Try some other files too!
-- Copy/create a .js to the `src` folder on your computer and check Bitburner. The file should be transferred!
-- Copy/create a .txt in the `src` folder will be transferred as well now.
-
+- Copy/create a .js or .ts file to the `src` folder on your computer and check Bitburner. The file should be transferred!
 	
 ### 10. Thats it!
 - You can now make and edit the files in the `src` directory to your liking, and have them be changed in Bitburner automatically.