Fixed a comment typo.
diff --git a/include/SDL_sensor.h b/include/SDL_sensor.h
index e517570..7f566e1 100644
--- a/include/SDL_sensor.h
+++ b/include/SDL_sensor.h
@@ -61,7 +61,7 @@ typedef Sint32 SDL_SensorID;
/* The different sensors defined by SDL
*
- * Additional sensors may be available, using platform dependent semanticsx
+ * Additional sensors may be available, using platform dependent semantics.
*
* Hare are the additional Android sensors:
* https://developer.android.com/reference/android/hardware/SensorEvent.html#values