diff --git a/hub/city_model_structure/life_cycle_assessment/envelope_emission.py b/hub/city_model_structure/life_cycle_assessment/envelope_emission.py
index 3cb5af28..abc31ed8 100644
--- a/hub/city_model_structure/life_cycle_assessment/envelope_emission.py
+++ b/hub/city_model_structure/life_cycle_assessment/envelope_emission.py
@@ -4,8 +4,8 @@ Returns the summarize of envelope's surfaces emissions
 The returned value will be used to calculate the building component emission.
 SPDX - License - Identifier: LGPL - 3.0 - or -later
 Copyright © 2024 Concordia CERC group
-Project developers: Alireza Adli alireza.adli@mail.concordia.ca
-Mohammad Reza Seyedabadi mohammad.seyedabadi@mail.concordia.ca
+Project Developer: Alireza Adli alireza.adli@mail.concordia.ca
+Theoritical Support: Mohammad Reza Seyedabadi mohammad.seyedabadi@mail.concordia.ca
 """
 
 
diff --git a/hub/city_model_structure/life_cycle_assessment/lca_end_of_life_carbon.py b/hub/city_model_structure/life_cycle_assessment/lca_end_of_life_carbon.py
index 1296bcc8..98aca9e1 100644
--- a/hub/city_model_structure/life_cycle_assessment/lca_end_of_life_carbon.py
+++ b/hub/city_model_structure/life_cycle_assessment/lca_end_of_life_carbon.py
@@ -11,8 +11,8 @@ For next phases, we can use a Machine object to find the corresponding
 emission.
 SPDX - License - Identifier: LGPL - 3.0
 Copyright © 2024 Concordia CERC group
-Project Developers: Alireza Adli alireza.adli@mail.concordia.ca
-Mohammad Reza Seyedabadi mohammad.seyedabadi@mail.concordia.ca
+Project Developer: Alireza Adli alireza.adli@mail.concordia.ca
+Theoritical Support: Mohammad Reza Seyedabadi mohammad.seyedabadi@mail.concordia.ca
 """
 
 
diff --git a/hub/city_model_structure/life_cycle_assessment/machine.py b/hub/city_model_structure/life_cycle_assessment/machine.py
index 5f58f2bc..d491b3ac 100644
--- a/hub/city_model_structure/life_cycle_assessment/machine.py
+++ b/hub/city_model_structure/life_cycle_assessment/machine.py
@@ -2,8 +2,8 @@
 machine module
 SPDX - License - Identifier: LGPL - 3.0
 Copyright © 2024 Concordia CERC group
-Project Developers: Alireza Adli alireza.adli@mail.concordia.ca
-Mohammad Reza Seyedabadi mohammad.seyedabadi@mail.concordia.ca
+Project Developer: Alireza Adli alireza.adli@mail.concordia.ca
+Theoritical Support: Mohammad Reza Seyedabadi mohammad.seyedabadi@mail.concordia.ca
 """