diff --git a/docs/guide/html-and-static-assets.md b/docs/guide/html-and-static-assets.md
index 5fd982feb7..08616e6bec 100644
--- a/docs/guide/html-and-static-assets.md
+++ b/docs/guide/html-and-static-assets.md
@@ -52,7 +52,7 @@ module.exports = {
     // modify its options:
     config.plugin('prefetch').tap(options => {
       options[0].fileBlacklist = options[0].fileBlacklist || []
-      options[0].fileBlacklist.push([/myasyncRoute(.)+?\.js$/])
+      options[0].fileBlacklist.push(/myasyncRoute(.)+?\.js$/)
       return options
     })
   }
diff --git a/docs/ru/guide/html-and-static-assets.md b/docs/ru/guide/html-and-static-assets.md
index 6654bc7838..5ee74efa37 100644
--- a/docs/ru/guide/html-and-static-assets.md
+++ b/docs/ru/guide/html-and-static-assets.md
@@ -52,7 +52,7 @@ module.exports = {
     // изменяем его настройки:
     config.plugin('prefetch').tap(options => {
       options[0].fileBlacklist = options[0].fileBlacklist || []
-      options[0].fileBlacklist.push([/myasyncRoute(.)+?\.js$/])
+      options[0].fileBlacklist.push(/myasyncRoute(.)+?\.js$/)
       return options
     })
   }
diff --git a/docs/zh/guide/html-and-static-assets.md b/docs/zh/guide/html-and-static-assets.md
index f9a75218f6..e1a7d2be02 100644
--- a/docs/zh/guide/html-and-static-assets.md
+++ b/docs/zh/guide/html-and-static-assets.md
@@ -52,7 +52,7 @@ module.exports = {
     // 修改它的选项：
     config.plugin('prefetch').tap(options => {
       options[0].fileBlacklist = options[0].fileBlacklist || []
-      options[0].fileBlacklist.push([/myasyncRoute(.)+?\.js$/])
+      options[0].fileBlacklist.push(/myasyncRoute(.)+?\.js$/)
       return options
     })
   }