Update CHANGELOG.md

Author: cristianoc

CHANGELOG.md

@@ -12,12 +12,15 @@
 
 # 11.0.0-alpha.3 (Unreleased)
 
+#### :rocket: Main New Feature
+
+- Add support for extensible records (e.g. `type t = {...t1, x:int, ...t2}`) https://github.com/rescript-lang/rescript-compiler/pull/5715
+
 # 11.0.0-alpha.2
 
 #### :rocket: Main New Feature
 
 - Add support for type coercion `:>` for records. https://github.com/rescript-lang/rescript-compiler/pull/5721
-- Add support for extensible records (e.g. `type t = {...t1, x:int, ...t2}`) https://github.com/rescript-lang/rescript-compiler/pull/5715
 
 #### :bug: Bug Fix