From 6b1ad46cf1f220dd395dcae6fba19ed0023c020d Mon Sep 17 00:00:00 2001
From: long2ice <long2ice@gmail.com>
Date: Mon, 28 Sep 2020 12:50:43 +0800
Subject: [PATCH] update README.md

---
 README.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/README.md b/README.md
index cd0aa38..30de17b 100644
--- a/README.md
+++ b/README.md
@@ -113,6 +113,8 @@ Format of migrate filename is
 
 And if `aerich` guess you are renaming a column, it will ask `Rename {old_column} to {new_column} [True]`, you can choice `True` to rename column without column drop, or choice `False` to drop column then create.
 
+If you use `MySQL`, only MySQL8.0+ support `rename..to` syntax.
+
 ### Upgrade to latest version
 
 ```shell