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-rw-r--r--docs/features/ps2_mouse.md12
1 files changed, 8 insertions, 4 deletions
diff --git a/docs/features/ps2_mouse.md b/docs/features/ps2_mouse.md
index 90f4cca827..52443c3ce2 100644
--- a/docs/features/ps2_mouse.md
+++ b/docs/features/ps2_mouse.md
@@ -90,18 +90,22 @@ PS2_ENABLE = yes
PS2_DRIVER = interrupt
```
-In your keyboard config.h:
+In your keyboard `config.h`:
```c
#define PS2_CLOCK_PIN A8
#define PS2_DATA_PIN A9
```
-And in the chibios specifig halconf.h:
+And in the ChibiOS specific `halconf.h`:
+
```c
-#define PAL_USE_CALLBACKS TRUE
-```
+#pragma once
+#define PAL_USE_CALLBACKS TRUE // [!code focus]
+
+#include_next <halconf.h>
+```
### USART Version {#usart-version}