Fix error in documentation of DDLElement

Change-Id: I9d850458c274d245057ea676d6730d4bd93c261f
(cherry picked from commit c77274a45092352e8dd62b29e9aea8d0953a1313)

diff --git a/lib/sqlalchemy/sql/ddl.py b/lib/sqlalchemy/sql/ddl.py
index c70c8c6e58e4b586700600b5064ddc6cecdb6088..a1ef0510ae5ee333074b8aa1bc82df4999962a33 100644 (file)
--- a/lib/sqlalchemy/sql/ddl.py
+++ b/lib/sqlalchemy/sql/ddl.py
@@ -163,8 +163,8 @@ class DDLElement(Executable, _DDLCompiles):
                         DDL("my_ddl").execute_if(dialect='postgresql')
                     )
 
-        :param dialect: May be a string, tuple or a callable
-          predicate.  If a string, it will be compared to the name of the
+        :param dialect: May be a string or tuple of strings.
+          If a string, it will be compared to the name of the
           executing database dialect::
 
             DDL('something').execute_if(dialect='postgresql')