diff --git a/src/backend/pyloader/Abstract.py b/src/backend/pyloader/Abstract.py
index fa4d4fe..2356e23 100644
--- a/src/backend/pyloader/Abstract.py
+++ b/src/backend/pyloader/Abstract.py
@@ -1,59 +1,63 @@
+## @brief Defines a class to create abstract methods
+#
+# @author Ivo Timmermans
+# @date 2004/01/23
+# @version 1.1
+#
+# Example:
+# @code
+#    import Abstract;
+#    class Foo:
+#        __metaclass__ = Abstract.Metaclass
+#        foo = Abstract.AbstractMethod('foo')
+# @endcode
 class AbstractMethod (object):
-    """Defines a class to create abstract methods
-
-    @example:
-        class Foo:
-            foo = AbstractMethod('foo')
-    """
+    ## @brief Constructor
+    #
+    # @param func name of the function (used when raising an
+    #    exception). Its type is str.
     def __init__(self, func):
-        """Constructor
-
-        @params func: name of the function (used when raising an
-            exception).
-        @type func: str
-        """
         self._function = func
 
+    ## @brief Get callable object
+    #
+    # @return An instance of AbstractMethodHelper.
+    # This trickery is needed to get the name of the class for which
+    # an abstract method was requested, otherwise it would be
+    # sufficient to include a __call__ method in the AbstractMethod
+    # class itself.
     def __get__(self, obj, type):
-        """Get callable object
-
-        @returns An instance of AbstractMethodHelper.
-
-        This trickery is needed to get the name of the class for which
-        an abstract method was requested, otherwise it would be
-        sufficient to include a __call__ method in the AbstractMethod
-        class itself.
-        """
         return self.AbstractMethodHelper(self._function, type)
 
+    ## @brief Abstract method helper class
+    #
+    # An AbstractMethodHelper instance is a callable object that
+    # represents an abstract method.
     class AbstractMethodHelper (object):
-        """Abstract method helper class
-
-        An AbstractMethodHelper instance is a callable object that
-        represents an abstract method.
-        """
         def __init__(self, func, cls):
             self._function = func
             self._class = cls
 
+        ## @brief Call abstract method
+	# 
+	# Raises a TypeError, because abstract methods can not be
+	# called.
         def __call__(self, *args, **kwargs):
-            """Call abstract method
-
-            Raises a TypeError, because abstract methods can not be
-            called.
-            """
             raise TypeError('Abstract method `' + self._class.__name__ \
                             + '.' + self._function + '\' called')
 
-
+## @brief Configure a new class to be abstract
+#
+# @author Ivo Timmermans
+# @date 2004/01/23
+# @version 1.1
 class Metaclass (type):
+    ## Configure a new class
+    #
+    # @param cls Class object
+    # @param name Name of the class
+    # @param bases All base classes for cls
     def __init__(cls, name, bases, *args, **kwargs):
-        """Configure a new class
-
-        @param cls: Class object
-        @param name: Name of the class
-        @param bases: All base classes for cls
-        """
         super(Metaclass, cls).__init__(cls, name, bases, *args, **kwargs)
 
         # Detach cls.new() from class Metaclass, and make it a method
@@ -77,14 +81,12 @@ class Metaclass (type):
         abstractmethods.sort()
         setattr(cls, '__abstractmethods__', abstractmethods)
 
+    ## @brief Allocator for class cls
+    #
+    # @param self Class object for which an instance should be
+    # created.
+    # @param cls Same as self.
     def new(self, cls):
-        """Allocator for class cls
-
-        @param self: Class object for which an instance should be
-            created.
-
-        @param cls: Same as self.
-        """
         if len(cls.__abstractmethods__):
             raise NotImplementedError('Can\'t instantiate class `' + \
                                       cls.__name__ + '\';\n' + \
diff --git a/src/backend/pyloader/Policy.py b/src/backend/pyloader/Policy.py
index e38a8b3..d54b39a 100644
--- a/src/backend/pyloader/Policy.py
+++ b/src/backend/pyloader/Policy.py
@@ -1,11 +1,9 @@
 
-''' from sgpem import SchedulableQueue, PolicyParameters '''
+# from sgpem import SchedulableQueue, PolicyParameters
 from Abstract import *
 
 class Policy:
-    '''
-    Avoid instantiation of an abstract class.
-    '''
+    ## @var Avoid instantiation of an abstract class
     __metaclass__ = Metaclass
     
     configure = AbstractMethod('configure')