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

libraries/SoftwareSerial/examples/SoftwareSerialExample/SoftwareSerialExample.ino

@@ -9,7 +9,7 @@
  * TX is digital pin 3 (connect to RX of other device)
  
  created back in the mists of time
- modified 2 Apr 2012
+ modified 9 Apr 2012
  by Tom Igoe
  based on Mikal Hart's example
  
@@ -24,9 +24,10 @@ void setup()
 {
  // Open serial communications and wait for port to open:
   Serial.begin57600;
-  // this check is only needed on the Leonardo:
-  while (!Serial) ;
- ;
+   while (!Serial) {
+    ; // wait for serial port to connect. Needed for Leonardo only
+  }
+
   
   Serial.println("Goodnight moon!");