add javadoc style comment for class

diff --git a/src/org/usfirst/frc/team3501/robot/commands/RetractDefenseArm.java b/src/org/usfirst/frc/team3501/robot/commands/RetractDefenseArm.java
index 8d530bee8679dae19016d0d0f349fc074e28f5ec..4dcd209e09f7f152359304413939f187f6948941 100755 (executable)
--- a/src/org/usfirst/frc/team3501/robot/commands/RetractDefenseArm.java
+++ b/src/org/usfirst/frc/team3501/robot/commands/RetractDefenseArm.java
@@ -4,6 +4,12 @@ import org.usfirst.frc.team3501.robot.Robot;
 
 import edu.wpi.first.wpilibj.command.CommandGroup;
 
+/***
+ * This command group simultaneously move arm and hand to retracted position.
+ *
+ * @author shaina
+ *
+ */
 public class RetractDefenseArm extends CommandGroup {
 
   public RetractDefenseArm(double speed, double retractPosition) {