diff --git a/packages/core/README.md b/packages/core/README.md
index 193619408b..92249b7ba9 100644
--- a/packages/core/README.md
+++ b/packages/core/README.md
@@ -19,7 +19,7 @@ yarn add @ic-reactor/core
or you can use the UMD version:
```html
-
+
```
### Using `createReactorCore`