docs: clarify 'Native English web fiction writing' in both READMEs

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

README.en.md

@@ -20,7 +20,7 @@
 
 Open-source CLI agent that autonomously writes, audits, and revises novels — with human review gates that keep you in control.
 
-**Native English support** — 10 built-in English genre profiles with dedicated pacing rules, fatigue word lists, and audit dimensions. Set `--lang en` and go.
+**Native English web fiction writing！** — 10 built-in English genre profiles with dedicated pacing rules, fatigue word lists, and audit dimensions. Set `--lang en` and go.
 
 ## Quick Start
 

README.md

@@ -20,9 +20,7 @@
 
 Agent 写小说。写、审、改，全程接管。
 
-**现已支持原生英文创作！** — `--lang en` 即可切换。
-
-**Native English support！** — Set `--lang en` to write in English. See [English README](README.en.md) for details.
+**Native English web fiction writing！** — Set `--lang en` to write in English. See [English README](README.en.md) for details.
 
 ## 快速开始