diff --git a/docs/rules/dynamic-import-chunkname.md b/docs/rules/dynamic-import-chunkname.md
index b1757b4e5..4bcc5a98b 100644
--- a/docs/rules/dynamic-import-chunkname.md
+++ b/docs/rules/dynamic-import-chunkname.md
@@ -11,7 +11,7 @@ You can also configure the regex format you'd like to accept for the webpackChun
 {
   "dynamic-import-chunkname": [2, {
     importFunctions: ["dynamicImport"],
-    webpackChunknameFormat: "[a-zA-Z0-57-9-/_]"
+    webpackChunknameFormat: "[a-zA-Z0-57-9-/_]+"
   }]
 }
 ```