diff --git a/launch/demo/demo_appearance_localization.launch b/launch/demo/demo_appearance_localization.launch
index cb1fbbca..1770eef2 100644
--- a/launch/demo/demo_appearance_localization.launch
+++ b/launch/demo/demo_appearance_localization.launch
@@ -20,6 +20,8 @@
+
+
diff --git a/launch/demo/demo_appearance_mapping.launch b/launch/demo/demo_appearance_mapping.launch
index 12746fb3..a638d37d 100644
--- a/launch/demo/demo_appearance_mapping.launch
+++ b/launch/demo/demo_appearance_mapping.launch
@@ -23,6 +23,8 @@
+
+
diff --git a/launch/demo/demo_find_object.launch b/launch/demo/demo_find_object.launch
index eed80669..c1db2967 100644
--- a/launch/demo/demo_find_object.launch
+++ b/launch/demo/demo_find_object.launch
@@ -42,6 +42,8 @@
+
+
diff --git a/launch/demo/demo_multi-session_mapping.launch b/launch/demo/demo_multi-session_mapping.launch
index 0dfdaea9..6efa40c6 100644
--- a/launch/demo/demo_multi-session_mapping.launch
+++ b/launch/demo/demo_multi-session_mapping.launch
@@ -43,6 +43,8 @@
+
+
diff --git a/launch/demo/demo_robot_localization.launch b/launch/demo/demo_robot_localization.launch
index 9ccb4650..3035b7bb 100644
--- a/launch/demo/demo_robot_localization.launch
+++ b/launch/demo/demo_robot_localization.launch
@@ -41,6 +41,8 @@
+
+
diff --git a/launch/demo/demo_robot_mapping.launch b/launch/demo/demo_robot_mapping.launch
index b4a432c4..023e5e2d 100644
--- a/launch/demo/demo_robot_mapping.launch
+++ b/launch/demo/demo_robot_mapping.launch
@@ -35,6 +35,8 @@
+
+
diff --git a/launch/demo/demo_robot_mapping_rviz.launch b/launch/demo/demo_robot_mapping_rviz.launch
index 7889dd9a..e1f86eb9 100644
--- a/launch/demo/demo_robot_mapping_rviz.launch
+++ b/launch/demo/demo_robot_mapping_rviz.launch
@@ -37,6 +37,8 @@
+
+
diff --git a/launch/demo/demo_stereo_outdoor.launch b/launch/demo/demo_stereo_outdoor.launch
index 3a961227..859661c2 100644
--- a/launch/demo/demo_stereo_outdoor.launch
+++ b/launch/demo/demo_stereo_outdoor.launch
@@ -75,6 +75,8 @@
+
+
diff --git a/launch/demo/demo_stereo_pr2.launch b/launch/demo/demo_stereo_pr2.launch
index 831c3e62..d5656ac7 100644
--- a/launch/demo/demo_stereo_pr2.launch
+++ b/launch/demo/demo_stereo_pr2.launch
@@ -52,6 +52,8 @@
+
+