diff --git a/content/technical/2019/10/useful-command-line-tools.md b/content/technical/2019/10/useful-command-line-tools.md
index 985b8e2..f52442f 100644
--- a/content/technical/2019/10/useful-command-line-tools.md
+++ b/content/technical/2019/10/useful-command-line-tools.md
@@ -9,6 +9,8 @@ runtime dependency like Python or node.js. Most of these tools are portable
 to \*BSD, Linux, macOS. Many also work on Windows. For OSes that ship up
 to date software many are available via the system package repository.
 
+**Last updated:** 28 Oct 2019
+
 **About my CLI environment:** I use the [zsh] shell, [Pragmata Pro] font, and
 [base16 default dark][base16] color scheme. My prompt is generated by
 [promptline].
@@ -42,6 +44,7 @@ to date software many are available via the system package repository.
 * [watchexec](#watchexec)
 * [z](#z)
 * [zola](#zola)
+* [Changelog](#changelog)
 
 <a name="alacritty"></a>
 ### Alacritty ![Language: Rust](https://img.shields.io/badge/language-rust-%23dea584)
@@ -326,8 +329,15 @@ partial name.
 
 <a class="action-button action-button-ghost" href="https://www.getzola.org/">Homepage</a>
 
-<img src="/images/lobsters.png" alt="" width="16" class="lobsters"> [Discuss on Lobsters](https://lobste.rs/s/pven1z/illustrated_guide_some_useful_command)  
-[Discuss on Hacker News](https://news.ycombinator.com/item?id=21363121)  
+<a name="changelog"></a>
+## Changelog
+
+* 28 Oct 2019 -- Add `hyperfine`
+
+## Comments
+
+* <img src="/images/lobsters.png" alt="" width="16" class="lobsters"> [Comments on Lobsters](https://lobste.rs/s/pven1z/illustrated_guide_some_useful_command)  
+* [Comments on Hacker News](https://news.ycombinator.com/item?id=21363121)
 
 <div class="seperator"><hr class="left">✦<hr class="right"></div>