diff --git a/about.markdown b/about.markdown
index bfbd3b0..792402c 100644
--- a/about.markdown
+++ b/about.markdown
@@ -48,6 +48,10 @@ This means you are free to share the posts and modify them, provided that you at
 
 This blog is built with [jekyll] and its [minima] theme. I used [openring] to generate others' blog posts from RSS feed.
 
+# Source
+
+The source code for generating this website can be found on [GitHub][gh-blog], [Disroot][disroot-blog], and [source hut][srht-blog].
+
 [fosstodon]: https://fosstodon.org/@huy_ngo
 [matrix]: https://matrix.to/#/@xarvos:matrix.org
 [gmail]: mailto:duchuy29092000@gmail.com
@@ -60,3 +64,6 @@ This blog is built with [jekyll] and its [minima] theme. I used [openring] to ge
 [discord-meme-bot]: https://github.com/Huy-Ngo/discord-meme-bot
 [wikt-cli]: https://git.sr.ht/~huyngo/wikt-cli
 [openring]: https://git.sr.ht/~sircmpwn/openring
+[gh-blog]: https://github.com/Huy-Ngo/huy-ngo.github.io
+[disroot-blog]: https://git.disroot.org/huyngo/blog
+[srht-blog]: https://git.sr.ht/~huyngo/blog