diff --git a/lca_carbon_workflow.py b/lca_carbon_workflow.py
index 539e1a2..e8d2827 100644
--- a/lca_carbon_workflow.py
+++ b/lca_carbon_workflow.py
@@ -114,7 +114,7 @@ class LCACarbonWorkflow:
       method. The attributes and their types are explained in the constructor.
       The building parameter comes from the calculate_emission() method
       which iterates through the city object buildings.
-      :param building: <class 'hub.city_model_structure.building.Building'>
+      :param building: hub.city_model_structure.building.Building
       :return: tuple
     """
     surface_envelope_emission = []
@@ -177,9 +177,8 @@ class LCACarbonWorkflow:
       method is hidden to the user.
       The method utilizes the EnvelopeEmission and EndOfLifeEmission classes of
       (currently named) life_cycle_assessment series of class.
-      :param boundary: <class
-      'hub.city_model_structure.
-      building_demand.thermal_boundary.ThermalBoundary'>
+      :param boundary:
+      hub.city_model_structure.building_demand.thermal_boundary.ThermalBoundary
       :return: tuple
     """
     layer_emission = []
@@ -222,9 +221,9 @@ class LCACarbonWorkflow:
       the End of Life emission evaluation.
       The method utilizes the OpeningEmission and EndOfLifeEmission classes of
       (currently named) life_cycle_assessment series of class.
-      :param building: <class 'hub.city_model_structure.building.Building'>
-      :param surface: <class
-      'hub.city_model_structure.building_demand.surface.Surface'>
+      :param building: hub.city_model_structure.building.Building
+      :param surface:
+      hub.city_model_structure.building_demand.surface.Surface
       :param boundary:
       hub.city_model_structure.building_demand.thermal_boundary.ThermalBoundary
       :param opaque_surface_code: str