diff --git a/neovim-lua-library.md b/neovim-lua-library.md
index 3c545f9..4dd167e 100644
--- a/neovim-lua-library.md
+++ b/neovim-lua-library.md
@@ -7,6 +7,7 @@
 - [Log](#log)
 - [async](#async)
 - [Coroutine](#coroutine)
+- [String](#string)
 - [File](#file)
   * [path-trie](#path-trie)
 - [UI](#ui)
@@ -68,6 +69,10 @@
 
 - [idanarye/nvim-channelot](https://github.com/idanarye/nvim-channelot) ![](https://img.shields.io/github/stars/idanarye/nvim-channelot) ![](https://img.shields.io/github/last-commit/idanarye/nvim-channelot) ![](https://img.shields.io/github/commit-activity/y/idanarye/nvim-channelot)
 
+## String
+
+- [jsMRSoL/txtin.nvim](https://github.com/jsMRSoL/txtin.nvim) ![](https://img.shields.io/github/stars/jsMRSoL/txtin.nvim) ![](https://img.shields.io/github/last-commit/jsMRSoL/txtin.nvim) ![](https://img.shields.io/github/commit-activity/y/jsMRSoL/txtin.nvim)
+
 ## File
 
 - [nvim-lua/plenary.nvim(file)](https://github.com/nvim-lua/plenary.nvim) ![](https://img.shields.io/github/stars/nvim-lua/plenary.nvim) ![](https://img.shields.io/github/last-commit/nvim-lua/plenary.nvim) ![](https://img.shields.io/github/commit-activity/y/nvim-lua/plenary.nvim)