Corrected a typo in print statement

Value was mispelled. This change should have no affect on the code.

Author: nseidle

Github_Tutorial.ino

@@ -24,7 +24,7 @@ void loop()
   byte myValue = 0;
   myValue = analogRead(A0);
 
-  Serial.print("The valeu is: ");
+  Serial.print("The value is: ");
   Serial.println(myValue);
 
   delay(100);