README.md in coffee-processing-0.0.2 vs README.md in coffee-processing-0.0.3

@@ -65,18 +65,19 @@
 
 
 Caveats
 -------
 
-Instance variables of Processing object, such as `width`, `frameCount` and `__mousePressed` (among others)
+Non-constant, instance variables of Processing object,
+such as `width`, `frameCount` and `__mousePressed` (among others)
 should be accessed through their corresponding shortcut functions as follows.
 
 ```coffee
-# P3D, __mousePressed, frameCount, width and height are functions, not values.
+# __mousePressed, frameCount, width and height are functions, not values.
 
 setup = ->
-  size 100, 100, P3D()
+  size 100, 100, P3D
 
 draw = ->
   if __mousePressed()
     point frameCount() % width(), frameCount() % height()
 ```
@@ -87,20 +88,22 @@
 ```coffee
 # Alias for processing instance
 p5 = processing
 
 setup = ->
-  size 100, 100, p5.P3D
+  size 100, 100, P3D
 
 draw = ->
   if p5.__mousePressed
     point p5.frameCount % p5.width, p5.frameCount % p5.height
 ```
 
 Examples
 --------
 
 Check out [examples](https://github.com/junegunn/coffee-processing/tree/master/examples) directory.
+
+Also check out [a Sinatra demo app](https://github.com/junegunn/coffee-processing-live).
 
 Contributing
 ------------
 
 1. Fork it