diff --git a/posts/135.md b/posts/135.md
index dc75d225..ec76b99b 100644
--- a/posts/135.md
+++ b/posts/135.md
@@ -14,7 +14,7 @@ Yesterday I spent most of the time chatting, both online and inperson. In the af
 
 ![loggedin](https://s3.amazonaws.com/f.cl.ly/items/1x3P1g14323N2i3W2j2Z/Screen%!S%28MISSING)![loggedout](https://s3.amazonaws.com/f.cl.ly/items/3r2H3B0J3S00140w3k2R/Screen%!S%28MISSING)
 
-Most of what I sussed out of Tachyons was actually published the next morning in a post called "[What are Classes for?](http://xn--h4hg.ws/2015/05/14/what-are-classes-for/)". This makes a ton of sense to me, and is definitely something I wasn't doing before. CSS is usually such a last thought for me, so frontend reuse isn't important, so I wasn't thinking about it like I think of most other things. Gonna need to change my habits. I'm trying to write as few lines of CSS as possible with my current project, so we'll see how it goes.
+Most of what I sussed out of Tachyons was actually published the next morning in a post called "[What are Classes for?](https://web.archive.org/web/20150806144824/http://xn--h4hg.ws:80/2015/05/14/what-are-classes-for/)". This makes a ton of sense to me, and is definitely something I wasn't doing before. CSS is usually such a last thought for me, so frontend reuse isn't important, so I wasn't thinking about it like I think of most other things. Gonna need to change my habits. I'm trying to write as few lines of CSS as possible with my current project, so we'll see how it goes.
 
 I also saw [LED Notification Cube is a Good First Project](https://hackaday.com/2015/05/10/led-notification-cube-is-a-good-first-project/) on [Hackaday](https://hackaday.com/), which reminded me I want to do some Pi hacking while I'm still at RC.