Corretions and refinements to the String examples

build/shared/examples/08.Strings/StringToInt/StringToInt.ino

@@ -16,8 +16,13 @@
 String inString = "";    // string to hold input
 
 void setup() {
-  // Initialize serial communications:
+  // Open serial communications and wait for port to open:
   Serial.begin(9600);
+  // this check is only needed on the Leonardo:
+  while (!Serial) ;
+  ;
+
+  Serial.println("\n\nString toInt():");
 }
 
 void loop() {
@@ -42,6 +47,3 @@ void loop() {
   }
 }
 
-
-
-