fix markdown syntax typo
@@ -419,7 +419,7 @@ To have better control of the calling sequence of functions, send mixed transact
| QUADHD | 4 | 21 |
+----------+------+------+
- * Only the first Device attached to the bus can use the CS0 pin.
+ \* Only the first Device attached to the bus can use the CS0 pin.
.. _speed_considerations:
