The appearance of these characters (like ЈЙР) usually happens when a file is saved in but opened using a single-byte encoding like ISO 8859-1 or Windows-1252 . To view the full feature list correctly in your source:
Open the file in a text editor like Notepad++ or Sublime Text . Go to the menu.
Adjustments to movement speed, jump height, or stamina consumption during the warm-up phase.