Update README.md

Author: ant-thomas

README.md

@@ -1,21 +1,22 @@
 steppermotor
 ============
 
-Raspberry Pi stepper motor control script. 
+**Raspberry Pi stepper motor control script.** 
 
-Adapted from adafruit script available:
+Adapted from adafruit script available here:<br>
 http://learn.adafruit.com/adafruits-raspberry-pi-lesson-10-stepper-motors/software
 
+Allows the use of user defined parameters from the command line.
 
-Usage:
 
-sudo python stepper.py <delay> <steps> <direction>
+**Usage:**
 
-delay - in ms
-steps - integer
-direction - f=forwards b=backwards
+sudo python stepper.py &lt;delay&gt; &lt;steps&gt; &lt;direction&gt;
 
+delay - in ms<br>
+steps - integer<br>
+direction - f=forwards b=backwards<br>
 
-eg:
+**eg:**
 
 sudo python stepper.py 10 512 f