[Keyboard] Typo correction in ferris sweep readme (#16148)

keyboards/ferris/sweep/readme.md

@@ -35,7 +35,7 @@ For Elite-C or compatible controllers using `DFU` bootloader, add the line `BOOT
 
 Enter the bootloader in 3 ways:
 
-* **Bootmagic reset**: Hold down the top left key on the left half (or the top right right key on the right half) and plug in the controller on that side.
+* **Bootmagic reset**: Hold down the top left key on the left half (or the top right key on the right half) and plug in the controller on that side.
 * **Physical reset button**: Briefly press the reset button soldered on the PCB.
 * **Keycode in layout**: Press the key mapped to `RESET` if it is configured.