diff --git a/github/ObjectCapacities/Basic.py b/github/ObjectCapacities/Basic.py
index c028fea8..ba34c555 100644
--- a/github/ObjectCapacities/Basic.py
+++ b/github/ObjectCapacities/Basic.py
@@ -20,6 +20,7 @@ class AttributeFromCallable:
     def apply( self, cls ):
         cls._addAttribute( self.__name, AttributeFromCallable.AttributeDefinition( self.__name, self.__callable ) )
 
+### @todo include the ArgumentsChecker
 class MethodFromCallable:
     def __init__( self, name, callable ):
         self.__name = name
diff --git a/github/ObjectCapacities/List.py b/github/ObjectCapacities/List.py
index 63e7d9af..42a36b16 100644
--- a/github/ObjectCapacities/List.py
+++ b/github/ObjectCapacities/List.py
@@ -108,6 +108,7 @@ class ListDeletable:
     def __execute( self, obj ):
         obj._github._statusRequest( "DELETE", obj._baseUrl + "/" + self.__attributeName, None, None )
 
+### @todo use SeveralAttributes
 class ExternalListOfObjects:
     def __init__( self, attributeName, type, *capacities ):
         self.attributeName = attributeName