tweak header description

examples/GPS_SoftwareSerial_Parsing/GPS_SoftwareSerial_Parsing.ino

@@ -34,7 +34,7 @@ void setup()
   // also spit it out
   Serial.begin(115200);
   delay(5000);
-  Serial.println("Adafruit GPS library basic test!");
+  Serial.println("Adafruit GPS library basic parsing test!");
 
   // 9600 NMEA is the default baud rate for Adafruit MTK GPS's- some use 4800
   GPS.begin(9600);