Fix: Modify the text of the category operator form #4412 (#4433)

### What problem does this PR solve?

Fix: Modify the text of the category operator form #4412

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

web/src/locales/en.ts

@@ -729,7 +729,7 @@ This procedure will improve precision of retrieval by adding more information to
       generateDescription: `A component that prompts the LLM to generate responses. Ensure the prompt is set correctly.`,
       categorizeDescription: `A component that uses the LLM to classify user inputs into predefined categories. Ensure you specify the name, description, and examples for each category, along with the corresponding next component.`,
       relevantDescription: `A component that uses the LLM to assess whether the upstream output is relevant to the user's latest query. Ensure you specify the next component for each judge result.`,
-      rewriteQuestionDescription: `A component that refines a user query if it fails to retrieve relevant information from the knowledge base. It repeats this process until the predefined looping upper limit is reached. Ensure its upstream is 'Relevant' and downstream is 'Retrieval'. `,
+      rewriteQuestionDescription: `A component that refines a user query if it fails to retrieve relevant information from the knowledge base. It repeats this process until the predefined looping upper limit is reached.`,
       messageDescription:
         "A component that sends out a static message. If multiple messages are supplied, it randomly selects one to send. Ensure its downstream is 'Answer', the interface component.",
       keywordDescription: `A component that retrieves top N search results from user's input. Ensure the TopN value is set properly before use.`,
@@ -1129,6 +1129,9 @@ This delimiter is used to split the input text into several text pieces echo of
       variableSettings: 'Variable settings',
       globalVariables: 'Global variables',
       systemPrompt: 'System prompt',
+      addCategory: 'Add category',
+      categoryName: 'Category name',
+      nextStep: 'Next step',
     },
     footer: {
       profile: 'All rights reserved @ React',