Update README.md
Grammar clean-up on Gestures list
@@ -37,9 +37,9 @@ for communication to the BitBox App via USB, the User via the sliders and to the
### Sliders
The sliders along the edges of the device are used for user input. There are three input gestures:
-* Tap,
-* Slide, and
-* Hold to confirm.
+* Tap
+* Slide
+* Hold to confirm
<p align="center"><img src="./doc/bb02PwEntry.gif" /></p>
