- fix some docstring stuff

1 files changed, 8 insertions, 0 deletions

diff --git a/lib/sqlalchemy/sql/selectable.py b/lib/sqlalchemy/sql/selectable.py
index ab8b6667c..887805aad 100644
--- a/lib/sqlalchemy/sql/selectable.py
+++ b/lib/sqlalchemy/sql/selectable.py
@@ -136,7 +136,15 @@ class FromClause(Selectable):
     __visit_name__ = 'fromclause'
     named_with_column = False
     _hide_froms = []
+
     schema = None
+    """Define the 'schema' attribute for this :class:`.FromClause`.
+
+    This is typically ``None`` for most objects except that of :class:`.Table`,
+    where it is taken as the value of the :paramref:`.Table.schema` argument.
+
+    """
+
     _memoized_property = util.group_expirable_memoized_property(["_columns"])
 
     @util.dependencies("sqlalchemy.sql.functions")