diff --git a/src/config-schema.js b/src/config-schema.js
index 61213d990..4dd99d2b4 100644
--- a/src/config-schema.js
+++ b/src/config-schema.js
@@ -222,7 +222,7 @@ const configSchema = {
           },
           {
             value: 'windows1258',
-            description: 'Vietnamese (Windows 1254)'
+            description: 'Vietnamese (Windows 1258)'
           },
           {
             value: 'iso88591',