docs: update README with corrected CLI help flag and OpenClaw title

Author: bowenliang123

README.md

@@ -14,8 +14,8 @@
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 | Dify Plugin                  | **Platform**: [Dify](https://github.com/langgenius/dify) <br/> **Installation**: <br/> - Install from [Dify Marketplace](https://marketplace.dify.ai/plugins/bowenliang123/md_exporter)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
 | Agent Skills                 | **Platforms**: Any platform supporting [Agent Skills](https://agentskills.io) <br/> - **IDEs/CLIs**: [Claude Code](https://code.claude.com/docs/en/skills), [Trae](https://docs.trae.ai/ide/skills), [Codebuddy](https://copilot.tencent.com/docs/cli/skills), etc. <br/> - **Agent Frameworks**: [LangChain DeepAgents](https://www.blog.langchain.com/using-skills-with-deep-agents/), [AgentScope](https://doc.agentscope.io/tutorial/task_agent_skill.html), etc. <br/><br/> **Installation**: <br/> - **Local Import**: Download and import [source code zip](https://github.com/bowenliang123/markdown-exporter/archive/refs/heads/main.zip) <br/> - **Remote Install**: `/plugin marketplace add bowenliang123/markdown-exporter` in agent CLIs |
-| OpenClaw Skill               | **Platform**: 🦞 [OpenClaw](https://docs.openclaw.ai/tools/skills#clawhub-install-%2B-sync) <br/> - Install from [ClawHub](https://clawhub.ai/bowenliang123/markdown-exporter): `npx clawhub@latest install markdown-exporter`                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
-| Command Line Interface (CLI) | **Platform**: Python<br/> - Install from [PyPI](https://pypi.org/project/md-exporter/): `pip install md-exporter`<br/> - Run: `markdown-exporter --help` for usage information                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
+| OpenClaw Skills 🦞           | **Platform**: [OpenClaw](https://docs.openclaw.ai/tools/skills#clawhub-install-%2B-sync) <br/> - Install from [ClawHub](https://clawhub.ai/bowenliang123/markdown-exporter): `npx clawhub@latest install markdown-exporter`                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
+| Command Line Interface (CLI) | **Platform**: Python<br/> - Install from [PyPI](https://pypi.org/project/md-exporter/): `pip install md-exporter`<br/> - Run: `markdown-exporter -h` for usage information                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |
 
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