diff --git a/readme.md b/readme.md
index 65a18be..85e76f0 100644
--- a/readme.md
+++ b/readme.md
@@ -212,7 +212,7 @@ markdownTable(
     ['中文', 'Charlie'],
     ['👩‍❤️‍👩', 'Delta']
   ],
-  {stringLength: width}
+  {stringLength: stringWidth}
 )
 ```