diff --git a/Appendix-C:-QMK-Firmware-Programming.md b/Appendix-C:-QMK-Firmware-Programming.md
index 4a50869..5dcc324 100644
--- a/Appendix-C:-QMK-Firmware-Programming.md
+++ b/Appendix-C:-QMK-Firmware-Programming.md
@@ -53,7 +53,7 @@ For more details on building QMK firmware in general, see the [QMK firmware guid
 Putting the Ploopy Trackball into bootloader mode is very easy.
 
 1. Unplug it from your computer.
-2. If you're using a right-handed Ploopy Classic, hold the "forward" button. This is the button just to the right of the ball; it normally sits under your ring (fourth) finger. If you're using a left-handed Ploopy classic, hold the "back" button.
+2. If you're using a right-handed Ploopy Classic, hold the "back" button. This is the button just to the right of the ball; it normally sits under your ring (fourth) finger. If you're using a left-handed Ploopy Classic, hold the "forward" button.
 3. While holding the button, plug the Ploopy Trackball into your computer. If you're using QMK Toolbox, it should show up in the console. If using `dmesg`, it'll show up as an Atmel DFU device.
 
 And that's it. While plugged in this way, the Ploopy Trackball will accept new firmware.