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-rw-r--r--lib/sqlalchemy/sql/ddl.py6
1 files changed, 5 insertions, 1 deletions
diff --git a/lib/sqlalchemy/sql/ddl.py b/lib/sqlalchemy/sql/ddl.py
index f247fa782..d58f378f8 100644
--- a/lib/sqlalchemy/sql/ddl.py
+++ b/lib/sqlalchemy/sql/ddl.py
@@ -688,7 +688,11 @@ class SetTableComment(_CreateDropBase):
class DropTableComment(_CreateDropBase):
- """Represent a COMMENT ON TABLE IS NULL statement."""
+ """Represent a COMMENT ON TABLE '' statement.
+
+ Note this varies a lot across database backends.
+
+ """
__visit_name__ = "drop_table_comment"