diff --git a/website/blog/2021-11-21-2.5.0.md b/website/blog/2021-11-21-2.5.0.md
index 657923745558..e51f8e82ec9f 100644
--- a/website/blog/2021-11-21-2.5.0.md
+++ b/website/blog/2021-11-21-2.5.0.md
@@ -208,6 +208,36 @@ const paragraph2 = css`
 
 ```
 
+#### Support ES2022 class-private-fields-in syntax in `espree` parser ([#11835](https://github.com/prettier/prettier/pull/11835) by [@fisker](https://github.com/fisker))
+
+<!-- prettier-ignore -->
+```jsx
+// Input
+class Foo {
+  #brand;
+  static isC(obj) {
+    return #brand in Foo;
+  }
+}
+
+// Prettier 2.4
+SyntaxError: Unexpected token #brand (4:12)
+  2 |   #brand;
+  3 |   static isC(obj) {
+> 4 |     return #brand in Foo;
+    |            ^
+  5 |   }
+  6 | }
+
+// Prettier 2.5
+class Foo {
+  #brand;
+  static isC(obj) {
+    return #brand in Foo;
+  }
+}
+```
+
 ### TypeScript
 
 #### Fix formatting for tagged template decorators ([#11717](https://github.com/prettier/prettier/pull/11717) by [@sosukesuzuki](https://github.com/sosukesuzuki))