Updated all comments for while (!Serial) additions to serial-based examples

libraries/Ethernet/examples/PachubeClientString/PachubeClientString.ino

@@ -18,7 +18,7 @@
  * Ethernet shield attached to pins 10, 11, 12, 13
  
  created 15 March 2010
- modified 2 Apr 2012
+ modified 9 Apr 2012
  by Tom Igoe with input from Usman Haque and Joe Saavedra
  
  http://arduino.cc/en/Tutorial/PachubeClientString
@@ -57,9 +57,10 @@ const unsigned long postingInterval = 10*1000;  //delay between updates to Pachu
 void setup() {
  // Open serial communications and wait for port to open:
   Serial.begin(9600);
-  // this check is only needed on the Leonardo:
-  while (!Serial) ;
- ;
+  while (!Serial) {
+    ; // wait for serial port to connect. Needed for Leonardo only
+  }
+
 
   // give the ethernet module time to boot up:
   delay(1000);