Docs: Initial editorial pass to MCP server (#7359)

### What problem does this PR solve?


### Type of change

- [x] Documentation Update

web/src/locales/en.ts

@@ -327,7 +327,7 @@ export default {
 `,
       useRaptor: 'Use RAPTOR to enhance retrieval',
       useRaptorTip:
-        'Recursive Abstractive Processing for Tree-Organized Retrieval, see https://huggingface.co/papers/2401.18059 for more information.',
+        'Enable RAPTOR for multi-hop question-answering tasks. See https://ragflow.io/docs/dev/enable_raptor for details.',
       prompt: 'Prompt',
       promptTip:
         'Use the system prompt to describe the task for the LLM, specify how it should respond, and outline other miscellaneous requirements. The system prompt is often used in conjunction with keys (variables), which serve as various data inputs for the LLM. Use a forward slash `/` or the (x) button to show the keys to use.',