diff --git a/README.md b/README.md
index e80c4b5..e909e23 100644
--- a/README.md
+++ b/README.md
@@ -131,7 +131,7 @@ A curated list of awesome command-line frameworks, toolkits, guides and gizmos.
 * [thefuck](https://github.com/nvbn/thefuck) - Fix common shell mistakes by using an easy to remember command
 * [tldr](https://github.com/raylee/tldr-sh-client) - A fully-functional bash client for tldr, simplified and community-driven man pages
 * [tmux](https://tmux.github.io/) - Amazing terminal multiplexer
-* [undollar](https://github.com/ImFeelingDucky/undollar) - undollar bites the dollar sign off the tip of the command you just pasted into your terminal
+* [undollar](https://github.com/xtyrrell/undollar) - undollar bites the dollar sign off the tip of the command you just pasted into your terminal
 * [v](https://github.com/rupa/v) - z for vim.
 * [wemux](https://github.com/zolrath/wemux) - Multi-User Tmux Made Easy
 * [xsv](https://github.com/BurntSushi/xsv) - a fast CSV command line toolkit written in Rust
@@ -259,7 +259,7 @@ A curated list of awesome command-line frameworks, toolkits, guides and gizmos.
 * [resty](https://github.com/micha/resty) - Little command line REST client that you can use in pipelines
 * [shell2http](https://github.com/msoap/shell2http) - HTTP-server to execute shell commands. Designed for development, prototyping or remote control
 * [vesper](https://github.com/chris-rock/vesper) - 🍸Vesper is a HTTP framework for Bash/Unix Shell
-* [youtube-dl](https://github.com/ytdl-org/youtube-dl) - Small command-line program to download videos from YouTube.com and other video sites
+* [youtube-dl](https://yt-dl.org/) - Small command-line program to download videos from YouTube.com and other video sites
 
 ## Multimedia and File Formats
 
diff --git a/README_ZH-CN.md b/README_ZH-CN.md
index e674680..15aae0b 100644
--- a/README_ZH-CN.md
+++ b/README_ZH-CN.md
@@ -153,7 +153,7 @@
 * [http-server](https://www.npmjs.com/package/http-server) - http-server可以启动一个轻量级的http服务
 * [ngincat](https://github.com/jaburns/ngincat) - 使用 netcat 的微型 Bash HTTP 服务器
 * [resty](https://github.com/micha/resty) - 你可以在管道中使用的小型命令行 REST 客户端
-* [youtube-dl](https://github.com/ytdl-org/youtube-dl) - 从 YouTube.com 及其它视频站点下载视频的小命令行程序
+* [youtube-dl](https://yt-dl.org/) - 从 YouTube.com 及其它视频站点下载视频的小命令行程序
 * [coursera-dl](https://github.com/coursera-dl/coursera-dl) - 从Course公开课上下载视频
 
 ## 多媒体与文件格式