diff --git a/robotiq_2f_140_gripper_visualization/launch/test_2f_140_model.launch b/robotiq_2f_140_gripper_visualization/launch/test_2f_140_model.launch
index 5cb22314..01298efb 100644
--- a/robotiq_2f_140_gripper_visualization/launch/test_2f_140_model.launch
+++ b/robotiq_2f_140_gripper_visualization/launch/test_2f_140_model.launch
@@ -5,6 +5,6 @@
-
+
diff --git a/robotiq_2f_85_gripper_visualization/launch/test_2f_85_model.launch b/robotiq_2f_85_gripper_visualization/launch/test_2f_85_model.launch
index da9d822a..f6be0bf8 100644
--- a/robotiq_2f_85_gripper_visualization/launch/test_2f_85_model.launch
+++ b/robotiq_2f_85_gripper_visualization/launch/test_2f_85_model.launch
@@ -7,7 +7,7 @@
-
+
diff --git a/robotiq_2f_c2_gripper_visualization/launch/test_robotiq_c2_model.launch b/robotiq_2f_c2_gripper_visualization/launch/test_robotiq_c2_model.launch
index 936c170c..51073243 100644
--- a/robotiq_2f_c2_gripper_visualization/launch/test_robotiq_c2_model.launch
+++ b/robotiq_2f_c2_gripper_visualization/launch/test_robotiq_c2_model.launch
@@ -5,6 +5,6 @@
-
+
diff --git a/robotiq_3f_gripper_articulated_gazebo/launch/robotiq_gripper_empty_world.launch b/robotiq_3f_gripper_articulated_gazebo/launch/robotiq_gripper_empty_world.launch
index cb36fe80..c8d40c07 100644
--- a/robotiq_3f_gripper_articulated_gazebo/launch/robotiq_gripper_empty_world.launch
+++ b/robotiq_3f_gripper_articulated_gazebo/launch/robotiq_gripper_empty_world.launch
@@ -12,7 +12,7 @@
-
+