docs: trim English README description

Author: Ma

README.en.md

@@ -18,7 +18,7 @@
 
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-Open-source CLI agent that autonomously writes, audits, and revises novels — with human review gates that keep you in control. Supports LitRPG, Progression Fantasy, Isekai, Romantasy, Sci-Fi, Horror, Xuanhuan, Xianxia, Urban, and more. Continuation, spinoff, fanfic, and style imitation workflows built in.
+Open-source CLI agent that autonomously writes, audits, and revises novels — with human review gates that keep you in control. Supports LitRPG, Progression Fantasy, Isekai, Romantasy, Sci-Fi, and more. Continuation, spinoff, fanfic, and style imitation workflows built in.
 
 **Native English novel writing now supported！** — 10 built-in English genre profiles with dedicated pacing rules, fatigue word lists, and audit dimensions. Set `--lang en` and go.