Remove reference to defunct class

We should probably reword this entirely as, IMHO, this should be in the
changelog and not in the doc proper (which should only describe the
current state of affairs).

diff --git a/lib/sqlalchemy/ext/mutable.py b/lib/sqlalchemy/ext/mutable.py
index 5458de38149a5bbfb0ce4d1e8586f87d0dd78e0e..a83a2a19f9d1d6db0435bd2753d1d5ab810251c5 100644 (file)
--- a/lib/sqlalchemy/ext/mutable.py
+++ b/lib/sqlalchemy/ext/mutable.py
@@ -9,7 +9,7 @@ which are propagated into ORM change events on owning parent objects.
 
 The :mod:`sqlalchemy.ext.mutable` extension replaces SQLAlchemy's legacy
 approach to in-place mutations of scalar values, established by the
-:class:`.types.MutableType` class as well as the ``mutable=True`` type flag,
+``types.MutableType`` class as well as the ``mutable=True`` type flag,
 with a system that allows change events to be propagated from the value to
 the owning parent, thereby removing the need for the ORM to maintain copies
 of values as well as the very expensive requirement of scanning through all