diff --git a/mkxp.json b/mkxp.json
index cba250eb..96ccec23 100644
--- a/mkxp.json
+++ b/mkxp.json
@@ -23,6 +23,8 @@
     // Render using Metal instead of OpenGL, if possible.
     //
     // Using Metal requires macOS 10.13+ and a compatible GPU.
+    // Switching this to false will break the Steam Overlay
+    // on some systems (M1/Max/Pro, maybe more)
     // "preferMetalRenderer": true,
 
     // Create a debug context and log