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-rw-r--r--sys/sys/mouse.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/sys/sys/mouse.h b/sys/sys/mouse.h
index 4273c04..23f7756 100644
--- a/sys/sys/mouse.h
+++ b/sys/sys/mouse.h
@@ -196,11 +196,11 @@ typedef struct mousevar {
/* Logitech MouseMan data packet (M+ protocol) */
#define MOUSE_LMAN_BUTTON2DOWN 0x20 /* middle button, the 4th byte */
-/* ALPS GlidePoint extention (variant of M+ protocol) */
+/* ALPS GlidePoint extension (variant of M+ protocol) */
#define MOUSE_ALPS_BUTTON2DOWN 0x20 /* middle button, the 4th byte */
#define MOUSE_ALPS_TAP 0x10 /* `tapping' action, the 4th byte */
-/* Kinsington Thinking Mouse extention (variant of M+ protocol) */
+/* Kinsington Thinking Mouse extension (variant of M+ protocol) */
#define MOUSE_THINK_BUTTON2DOWN 0x20 /* lower-left button, the 4th byte */
#define MOUSE_THINK_BUTTON4DOWN 0x10 /* lower-right button, the 4th byte */
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