Update 'README.md'

README.md

@@ -48,9 +48,9 @@
 
 ###Using the python script
 
-
+```
  $ python capture.py <directory> <delay> <resolution>
-
+```
 current script take 1 picture and save it as last.jpg
 it also make a copy of this image, convert it to smaller resolution and save it with an timestamp name
 you can change line  resolution = "1280x960"