Miscellaneous doc updates and refactored team management doc. (#6730)

### What problem does this PR solve?

#5576, #6672

### Type of change


- [x] Documentation and UI Update

web/src/locales/en.ts

@@ -165,7 +165,7 @@ export default {
       delimiterTip:
         'A delimiter or separator can consist of one or multiple special characters. If it is multiple characters, ensure they are enclosed in backticks( ``). For example, if you configure your delimiters like this: \\n`##`;, then your texts will be separated at line breaks, double hash symbols (##), and semicolons.',
       html4excel: 'Excel to HTML',
-      html4excelTip: `When enabled, the spreadsheet will be parsed into HTML tables, and at most 256 rows for one table. Otherwise, it will be parsed into key-value pairs by row.`,
+      html4excelTip: `Use with the General chunk method. When disabled, spreadsheets (XLSX or XLS(Excel97~2003)) in the knowledge base will be parsed into key-value pairs. When enabled, they will be parsed into HTML tables, splitting every 12 rows if the original table has more than 12 rows.`,
       autoKeywords: 'Auto-keyword',
       autoKeywordsTip: `Automatically extract N keywords for each chunk to increase their ranking for queries containing those keywords. Be aware that extra tokens will be consumed by the chat model specified in 'System model settings'. You can check or update the added keywords for a chunk from the chunk list. `,
       autoQuestions: 'Auto-question',
@@ -345,7 +345,7 @@ The above is the content you need to summarize.`,
       entityTypes: 'Entity types',
       vietnamese: 'Vietnamese',
       pageRank: 'Page rank',
-      pageRankTip: `This increases the relevance score of the knowledge base. Its value will be added to the relevance score of all retrieved chunks from this knowledge base. Useful when you are searching within multiple knowledge bases and wanting to assign a higher pagerank score to a specific one.`,
+      pageRankTip: `You can assign a higher PageRank score to specific knowledge bases during retrieval. The corresponding score is added to the hybrid similarity scores of retrieved chunks from these knowledge bases, increasing their ranking. See https://ragflow.io/docs/dev/set_page_rank for details.`,
       tagName: 'Tag',
       frequency: 'Frequency',
       searchTags: 'Search tags',