added a better configurarion string for the line following example

Author: dcuartielles

libraries/Robot_Control/examples/explore/R10_Rescue/R10_Rescue.ino

@@ -53,8 +53,10 @@ void setup(){
   Robot.text("Start", 5, 5);
 
   // use this to calibrate the line following algorithm
+  // uncomment one or the other to see the different behaviors of the robot
+  // Robot.lineFollowConfig(11, 5, 50, 10);
   Robot.lineFollowConfig(14, 9, 50, 10);
-
+  
   // run the rescue sequence  
   rescueSequence();
   Robot.text("Found obstacle", 5, 12);