Update changelog

Author: DZakh

CHANGELOG.md

@@ -17,11 +17,12 @@
 - Fix issue with Dynamic import of module in nested expressions https://github.com/rescript-lang/rescript-compiler/pull/6431
 - Fix issue where GenType was not supporting `@tag` on ordinary variatns https://github.com/rescript-lang/rescript-compiler/pull/6437
 - Fix `rc.4` regressions:
-  - Don't show compilation time when calling `rescript build -help` command https://github.com/rescript-lang/rescript-compiler/pull/6439
+  - Don't show compilation time when calling `rescript build -help` command. https://github.com/rescript-lang/rescript-compiler/pull/6439
 
 #### :nail_care: Polish
 
 - Add [`Deno`](https://deno.land/api?s=Deno) to reserved names, so that modules named `Deno` don't clash with the globally exposed `Deno` object. https://github.com/rescript-lang/rescript-compiler/pull/6428
+- Improve `rescript` CLI to use `stdout`/`stderr` appropriately for a command help message. https://github.com/rescript-lang/rescript-compiler/pull/6439
 
 # 11.0.0-rc.4