Update website/docs/en/guide/features/esm.mdx

Co-authored-by: neverland <[email protected]>

Author: fi3ework

website/docs/en/guide/features/esm.mdx

@@ -85,7 +85,7 @@ Building ESM output also requires handling various detailed issues, which are no
 
 ## Future plans for ESM output
 
-Currently, Rspack's support for ESM is still relatively basic, and ESM output cannot fully replace the current CommonJS output. In many scenarios, ESM output cannot work properly. The main limitations include:
+Currently, Rspack's ESM support is still being improved. In certain use cases, you may encounter integration issues between ESM and other features. The main limitations include:
 
 1. Lack of static analysis friendly code splitting support
 2. Limited custom chunk splitting support in ESM format