diff --git a/dot_config/nvim/Readme.md b/dot_config/nvim/Readme.md
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--- a/dot_config/nvim/Readme.md
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@@ -1,7 +1,8 @@
 Yuan Neovim 備忘
 ===
 ## 依賴的套件
-* tree-sitter
+* ripgrep 全文搜尋用
+* tree-sitter 快速且增量式的語法剖析器（parser）
 * tree-sitter-bash
 * tree-sitter-cli
 * imagemagick