diff --git a/cura/Settings/ContainerManager.py b/cura/Settings/ContainerManager.py
index 08e7e64cdf..ad102c5520 100644
--- a/cura/Settings/ContainerManager.py
+++ b/cura/Settings/ContainerManager.py
@@ -235,7 +235,7 @@ class ContainerManager(QObject):
 
         return True
 
-    ##  Set a metadata entry of the specified container.
+    ##  Set a setting property value of the specified container.
     #
     #   This will set the specified property of the specified setting of the container
     #   and all containers that share the same base_file (if any). The latter only
diff --git a/resources/qml/Preferences/MaterialView.qml b/resources/qml/Preferences/MaterialView.qml
index 5424a80546..d7a4440d16 100644
--- a/resources/qml/Preferences/MaterialView.qml
+++ b/resources/qml/Preferences/MaterialView.qml
@@ -166,6 +166,8 @@ TabView
 
                     onEditingFinished:
                     {
+                        // This does not use a SettingPropertyProvider, because we need to make the change to all containers
+                        // which derive from the same base_file
                         Cura.ContainerManager.setContainerProperty(base.containerId, "material_diameter", "value", value)
                         base.setMetaDataEntry("properties/diameter", properties.diameter, value)
                     }