diff --git a/content/technical/2011/06/monochrome-thumbnails.html b/content/technical/2011/06/monochrome-thumbnails.html
index 8c1546d..d831233 100644
--- a/content/technical/2011/06/monochrome-thumbnails.html
+++ b/content/technical/2011/06/monochrome-thumbnails.html
@@ -37,13 +37,13 @@ on my new laptop.
 
 The [code is on GitHub][code] if anyone wants to do something similar. The
 Cocoa version is on the master branch, the Lua version is on the
-[lua branch].
+[lua branch][lua-branch].
 
 [code]: https://github.com/wezm/monothumb
 [lua-branch]: https://github.com/wezm/monothumb/lua
 
 The current version of the processed thumbnails is shown below.
 
-<div style="overflow-x: auto;">
+<div style="overflow-x: auto; overflow-y: hidden;">
   <img src="/images/photos.jpg"  />
 </div>