(shardingsphere) branch master updated: Update document for explanation of the symbol to (+) and (?) (#37158)

[zhangliang]

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The following commit(s) were added to refs/heads/master by this push:
     new 555c858f8a3 Update document for explanation of the symbol to (+) and 
(?) (#37158)
555c858f8a3 is described below

commit 555c858f8a307169f37c85b932a02fc80bbdec25
Author: Liang Zhang <zhangli...@apache.org>
AuthorDate: Sat Nov 22 14:31:51 2025 +0800

    Update document for explanation of the symbol to (+) and (?) (#37158)
---
 docs/document/content/user-manual/_index.cn.md | 6 ++++++
 docs/document/content/user-manual/_index.en.md | 6 ++++++
 2 files changed, 12 insertions(+)

diff --git a/docs/document/content/user-manual/_index.cn.md 
b/docs/document/content/user-manual/_index.cn.md
index 7a15b1ff432..b49d6c1ef14 100644
--- a/docs/document/content/user-manual/_index.cn.md
+++ b/docs/document/content/user-manual/_index.cn.md
@@ -6,3 +6,9 @@ chapter = true
 +++
 
 本章节面向 Apache ShardingSphere 的用户，详细阐述项目的使用说明。
+
+## 符号说明
+
+- `(+)`：必填项；集合需至少包含一个元素。
+- `(?)`：可选项；缺省时使用默认值。
+- `(*)`：可选集合；缺省为空或无需配置。
diff --git a/docs/document/content/user-manual/_index.en.md 
b/docs/document/content/user-manual/_index.en.md
index aae0095cb27..6808a37ccb5 100644
--- a/docs/document/content/user-manual/_index.en.md
+++ b/docs/document/content/user-manual/_index.en.md
@@ -6,3 +6,9 @@ chapter = true
 +++
 
 This chapter describes how to use projects of Apache ShardingSphere.
+
+## Notation
+
+- `(+)`: required; for collections, provide at least one item.
+- `(?)`: optional; default applies if omitted.
+- `(*)`: optional collection; defaults to empty or no entry.