Fix "special_key" attribute name in association proxy documentation

Fixes: #5204
Change-Id: I1366be823d753bdcd92c98b948bdfa7960a27eb7
(cherry picked from commit 1768dd2a08dee92d73d160a5ba437df4ced37d2c)

diff --git a/doc/build/orm/extensions/associationproxy.rst b/doc/build/orm/extensions/associationproxy.rst
index b2b5a4cb455d99e187ec04863225220aa9013693..ab59d1bbdf5ba9280b549d346da5e5d2804df114 100644 (file)
--- a/doc/build/orm/extensions/associationproxy.rst
+++ b/doc/build/orm/extensions/associationproxy.rst
@@ -328,7 +328,7 @@ when new elements are added to the dictionary::
             return 'Keyword(%s)' % repr(self.keyword)
 
 We illustrate the ``.keywords`` collection as a dictionary, mapping the
-``UserKeyword.string_key`` value to ``Keyword`` objects::
+``UserKeyword.special_key`` value to ``Keyword`` objects::
 
     >>> user = User('log')