diff --git a/myems-api/core/combinedequipment.py b/myems-api/core/combinedequipment.py
index 453f1d0b..5ba29a9b 100644
--- a/myems-api/core/combinedequipment.py
+++ b/myems-api/core/combinedequipment.py
@@ -1179,7 +1179,7 @@ class CombinedEquipmentParameterItem:
     @staticmethod
     @user_logger
     def on_put(req, resp, id_, pid):
-        """Handles POST requests"""
+        """Handles PUT requests"""
         if not id_.isdigit() or int(id_) <= 0:
             raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
                                    description='API.INVALID_COMBINED_EQUIPMENT_ID')
diff --git a/myems-api/core/energyflowdiagram.py b/myems-api/core/energyflowdiagram.py
index a2e89f61..e412f344 100644
--- a/myems-api/core/energyflowdiagram.py
+++ b/myems-api/core/energyflowdiagram.py
@@ -767,7 +767,7 @@ class EnergyFlowDiagramLinkItem:
     @staticmethod
     @user_logger
     def on_put(req, resp, id_, lid):
-        """Handles POST requests"""
+        """Handles PUT requests"""
         if not id_.isdigit() or int(id_) <= 0:
             raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
                                    description='API.INVALID_ENERGY_FLOW_DIAGRAM_ID')
@@ -1116,7 +1116,7 @@ class EnergyFlowDiagramNodeItem:
     @staticmethod
     @user_logger
     def on_put(req, resp, id_, nid):
-        """Handles POST requests"""
+        """Handles PUT requests"""
         if not id_.isdigit() or int(id_) <= 0:
             raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
                                    description='API.INVALID_ENERGY_FLOW_DIAGRAM_ID')
diff --git a/myems-api/core/equipment.py b/myems-api/core/equipment.py
index 6d787151..0560d5b3 100644
--- a/myems-api/core/equipment.py
+++ b/myems-api/core/equipment.py
@@ -1023,7 +1023,7 @@ class EquipmentParameterItem:
     @staticmethod
     @user_logger
     def on_put(req, resp, id_, pid):
-        """Handles POST requests"""
+        """Handles PUT requests"""
         if not id_.isdigit() or int(id_) <= 0:
             raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
                                    description='API.INVALID_EQUIPMENT_ID')