diff --git a/doc/examples/perception_pipeline/launch/detect_and_add_cylinder_collision_object_demo.launch b/doc/examples/perception_pipeline/launch/detect_and_add_cylinder_collision_object_demo.launch
index 6bcc2dd123..272b93e5c8 100644
--- a/doc/examples/perception_pipeline/launch/detect_and_add_cylinder_collision_object_demo.launch
+++ b/doc/examples/perception_pipeline/launch/detect_and_add_cylinder_collision_object_demo.launch
@@ -2,6 +2,6 @@
-
+
diff --git a/doc/examples/perception_pipeline/launch/obstacle_avoidance_demo.launch.xml b/doc/examples/perception_pipeline/launch/obstacle_avoidance_demo.launch.xml
index 89578da450..e16febdbfe 100644
--- a/doc/examples/perception_pipeline/launch/obstacle_avoidance_demo.launch.xml
+++ b/doc/examples/perception_pipeline/launch/obstacle_avoidance_demo.launch.xml
@@ -2,20 +2,24 @@
-
-
+
-
+
+
+
-
+