diff --git a/README.md b/README.md
index 9837b0b..8069b70 100644
--- a/README.md
+++ b/README.md
@@ -14,5 +14,5 @@ cpp <keyword> # 搜索CPP文档
 ```
 
 # 索引来源
-c 索引来自官网离线文档，手动解析生成
-cpp 索引来自 https://github.com/Guyutongxue/cppreference-index 感谢 @Guyutongxue
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+ - c 索引来自官网离线文档，手动解析生成
+ - cpp 索引来自 https://github.com/Guyutongxue/cppreference-index 感谢 @Guyutongxue
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