added hall effect sensor at the top of the loader
diff --git a/frc971/control_loops/index/index.h b/frc971/control_loops/index/index.h
index a18d4c9..94db771 100644
--- a/frc971/control_loops/index/index.h
+++ b/frc971/control_loops/index/index.h
@@ -136,7 +136,8 @@
 
   // Time that it takes to grab the disc in cycles.
   static const int kGrabbingDelay;
-  // Time that it takes to lift the loader in cycles.
+  // Time that it takes to finish lifting the loader after the sensor is
+  // triggered in cycles.
   static const int kLiftingDelay;
   // Time that it takes to shoot the disc in cycles.
   static const int kShootingDelay;