diff --git a/README.md b/README.md
index 03e72a2..1cba14f 100644
--- a/README.md
+++ b/README.md
@@ -73,6 +73,8 @@ If you wish to use 27C512, you can find pre-made files in the `ROMs` directory (
 
 Using the premade files will have the 13-sector image loaded when jumpers on J1 and J4 are not installed, and the 16 sector image loaded when the jumpers are installed.
 
+**Note that it is not necessary to swap between the 13 and 16 sector state machine (P6/U8, with J4 jumper):** You can leave the jumper set for the 16 sector state machine and just swap the boot prom with J1.
+
 ### Configuring the address
 
 The address for the I/O ports (DEVICE SELECT) can be changed by jumpering J3.