Updates for video capture examples, new keywords.txt

java/libraries/video/examples/Capture/Mirror2/Mirror2.pde

@@ -23,9 +23,12 @@ void setup() {
   colorMode(RGB, 255, 255, 255, 100);
   rectMode(CENTER);
 
-  // Uses the default video input, see the reference if this causes an error
+  // This the default video input, see the GettingStartedCapture 
+  // example if it creates an error
   video = new Capture(this, width, height);
-  video.start();
+  
+  // Start capturing the images from the camera
+  video.start();  
 
   background(0);
 }