diff --git a/cfg/sas_robot_driver_franka_hand_1.yaml b/cfg/sas_robot_driver_franka_hand_1.yaml
index 2e572a2..56fa586 100644
--- a/cfg/sas_robot_driver_franka_hand_1.yaml
+++ b/cfg/sas_robot_driver_franka_hand_1.yaml
@@ -1,3 +1,3 @@
 "robot_ip_address": "172.16.0.2"
-"thread_sampeling_time_ns": 100000000
+"thread_sampling_time_nsec": 20000000  # 20ms , 50Hz