diff --git a/catkin_ws/src/learn_environment/task_pool/solution_scripts/controller/controller_task/position_controller.ipynb b/catkin_ws/src/learn_environment/task_pool/solution_scripts/controller/controller_task/position_controller.ipynb
index 56801f3464b3ac71dcbd13ad3dbca67fb9cd10b0..1b4a00c4cdfc80d405a1661ced40972c2145a0b3 100644
--- a/catkin_ws/src/learn_environment/task_pool/solution_scripts/controller/controller_task/position_controller.ipynb
+++ b/catkin_ws/src/learn_environment/task_pool/solution_scripts/controller/controller_task/position_controller.ipynb
@@ -53,6 +53,9 @@
     "\n",
     "**Important**\n",
     "Use the `wait_for_service` method to wait for the `/controller_manager/list_controllers` service.\n",
+    "\n",
+    "#### Procedure:\n",
+    "\n",
     "- Then create a service proxy for this service and retrieve the list of active controllers.\n",
     "- Filter the controllers that have the state 'running' and save their names in a list.\n",
     "- Use the `wait_for_service` method to wait for the `/controller_manager/switch_controller` service.\n",
@@ -97,6 +100,8 @@
     "\n",
     "Activate the position controller.\n",
     "\n",
+    "#### Procedure:\n",
+    "\n",
     "- First, use the `wait_for_service` method to wait for the `/controller_manager/list_controllers` service.\n",
     "- Then create a service proxy for this service and retrieve the list of loaded controllers.\n",
     "\n",
@@ -212,11 +217,11 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "### Task 3 :\n",
+    "### Task 3:\n",
     "\n",
     "Now you have to define more target position yourself.\n",
     "\n",
-    "#### What you need to do:\n",
+    "#### Procedure:\n",
     "\n",
     "##### Add target positions:\n",
     "\n",
@@ -290,7 +295,7 @@
     "\n",
     "Tip: You have already saved these in a list before.\n",
     "\n",
-    "### Procedure:\n",
+    "#### Procedure:\n",
     "\n",
     "- Use the `wait_for_service` method to wait for the `/controller_manager/switch_controller` service.\n",
     "- Then create a service proxy for this service.\n",