From bcd40d0695fdc5bcf731e7ac16eb1accb40a3101 Mon Sep 17 00:00:00 2001
From: hustcc <i@hust.cc>
Date: Wed, 10 May 2023 18:53:55 +0800
Subject: [PATCH] docs: fix typo (#4985)

---
 site/docs/spec/data/map.zh.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/site/docs/spec/data/map.zh.md b/site/docs/spec/data/map.zh.md
index 57154eab29..965aa5baff 100644
--- a/site/docs/spec/data/map.zh.md
+++ b/site/docs/spec/data/map.zh.md
@@ -20,7 +20,7 @@ chart
     transform: [
       {
         type: 'map',
-        callback: (datum, idx) => { ...datam, idx },
+        callback: (datum, idx) => { ...datum, idx },
       },
     ],
   });