docstring

com.unity.ml-agents/Editor/GridSensorComponentEditor.cs

                 var gridSize2d = new Vector3Int(gridSize.vector3IntValue.x, 1, gridSize.vector3IntValue.z);
                 var newGridSize = EditorGUILayout.Vector3IntField("Grid Size", gridSize2d);
                 gridSize.vector3IntValue = new Vector3Int(newGridSize.x, 1, newGridSize.z);
-                EditorGUILayout.PropertyField(so.FindProperty(nameof(GridSensorComponent.m_RootReference)), true);
+            EditorGUILayout.PropertyField(so.FindProperty(nameof(GridSensorComponent.m_RootReference)), true);
             EditorGUILayout.PropertyField(so.FindProperty(nameof(GridSensorComponent.m_RotateWithAgent)), true);
 
             EditorGUI.BeginDisabledGroup(!EditorUtilities.CanUpdateModelProperties());

com.unity.ml-agents/Runtime/Sensors/GridSensorComponent.cs

         [HideInInspector, SerializeField]
         internal GameObject m_RootReference;
         /// <summary>
-        /// Rotate the grid based on the direction the agent is facing.
+        /// The reference of the root of the agent. This is used to disambiguate objects with
+        /// the same tag as the agent. Defaults to current GameObject.
         /// </summary>
         public GameObject RootReference
         {