diff --git a/proteus/__init__.py b/proteus/__init__.py
index ecfa09e034..6b2cb239c0 100644
--- a/proteus/__init__.py
+++ b/proteus/__init__.py
@@ -55,6 +55,7 @@ class FieldDescriptor(object):
         super(FieldDescriptor, self).__init__()
         self.name = name
         self.definition = definition
+        self.__doc__ = definition['string']
 
     def __get__(self, instance, owner):
         if instance.id > 0 and self.name not in instance._values: