diff --git a/source/_posts/en/Comment-Plugins.md b/source/_posts/en/Comment-Plugins.md
index 2042532..8dfa693 100644
--- a/source/_posts/en/Comment-Plugins.md
+++ b/source/_posts/en/Comment-Plugins.md
@@ -511,7 +511,7 @@ services until this issue has been fixed.
         math_tag_support: false                       # Optional
         copyright: true                               # Optional
         locale:                                       # Optional
-          - placeholder: 'Comment here...'
+          placeholder: 'Comment here...'
     {% endcodeblock %}