diff --git a/README.md b/README.md
index 5f07f45e3..8546d6ea7 100644
--- a/README.md
+++ b/README.md
@@ -64,7 +64,7 @@ Other shortcuts:
 | Alt+Enter | Fullscreen (DirectX) |
 | Ctrl+R | Reset |
 
-Currently, DirectX 11 and OpenGL are supported. Change the renderer by opening the `shipofharkinian.ini` configuration file in notepad and add `sdl` to `gfx backend` for OpenGL or leave blank for DirectX.
+Currently, DirectX 11 and OpenGL are supported. Change the renderer by opening the `shipofharkinian.json` configuration file in notepad and add `sdl` to the quotes in `"GfxBackend": ""` for OpenGL or leave blank for DirectX.
 
 ## Take The Survey
 Want to use cartridge readers in tandem with the OTRGui?