Documented autoescaping behavior and eval contexts.

--HG--
branch : trunk
diff --git a/jinja2/utils.py b/jinja2/utils.py
index e00dee2..1fd6ec5 100644
--- a/jinja2/utils.py
+++ b/jinja2/utils.py
@@ -131,7 +131,8 @@
     """This decoraotr can be used to mark a function or method as an eval
     context callable.  This is similar to the :func:`contextfunction`
     but instead of passing the context, an evaluation context object is
-    passed.
+    passed.  For more information about the eval context, see
+    :ref:`eval-context`.
 
     .. versionadded:: 2.4
     """