Update CHANGELOG.md (facebook#16439)

bbolek · bvaughn · commit efa5dbe7a57c · 2019-08-20T09:51:01.000-07:00
* Update CHANGELOG.md

Fixed typo
diff --git a/packages/react-devtools/CHANGELOG.md b/packages/react-devtools/CHANGELOG.md
@@ -20,7 +20,7 @@
 
 ## 4.0.3 (August 17, 2019)
 #### Bug fixes
-* ES6 `Map` and `Set`, typed arrays, and other unnserializable types (e.g. Immutable JS) can now be inspected.
+* ES6 `Map` and `Set`, typed arrays, and other unserializable types (e.g. Immutable JS) can now be inspected.
 * Empty objects and arrays now display an "(empty)" label to the right to reduce confusion.
 * Components that use only the `useContext` hook now properly display hooks values in side panel.
 * Style editor now supports single quotes around string values (e.g. both `"red"` and `'red'`).
