diff --git a/_typos.toml b/_typos.toml
index 9ed3de437..c2e8bcb72 100644
--- a/_typos.toml
+++ b/_typos.toml
@@ -6,3 +6,5 @@ rd='rd'
 th='th'
 # typo in api, should be fixed later
 toekn='toekn'
+# echart config
+metalness = 'metalness'