diff --git a/DBschema.md b/DBschema.md
index 860885e..3e234f3 100644
--- a/DBschema.md
+++ b/DBschema.md
@@ -25,7 +25,7 @@
 �����  |��̣
 --------|-----
 *ename* | Entity Name FOREIGN KEY(ename) REFERENCES mapitem(ename) on delete cascade on update cascade
-objtype | �������(marker, line, polygon)
+objtype | �������(point, multiline, polygon)
 jsonval | ��ʪ(���֤�)�Υޡ���/�饤��/�ݥꥴ�� ��JSONɽ����
 
 ## SQLʸ