diff --git a/exampleSite/content/_index.md b/exampleSite/content/_index.md
index 02563f6..3ba31b2 100644
--- a/exampleSite/content/_index.md
+++ b/exampleSite/content/_index.md
@@ -31,7 +31,7 @@ find . -not -path '*/exampleSite/*' \( -name '*.html' -o -name '*.css' \) | xarg
 
 I can certainly further reduce the code, for example, by eliminating the CSS, but I believe a tiny bit CSS can greatly improve readability. You cannot really find many CSS frameworks that only contain 50 lines of code.
 
-Although it is a minimal theme, it is actually fully functional. It supports pages (including the home page), blog posts, a navigation menu, categories, tags, and RSS. With a little bit customization, it can easily support LaTeX math expressions, e.g.,
+Although it is a minimal theme, it is actually fully functional. It supports pages (including the home page), blog posts, a navigation menu, categories, tags, and RSS. With [a little bit customization](https://github.com/yihui/hugo-xmin/blob/master/exampleSite/layouts/partials/foot_custom.html), it can easily support LaTeX math expressions, e.g.,
 
 `$${\sqrt {n}}\left(\left({\frac {1}{n}}\sum _{i=1}^{n}X_{i}\right)-\mu \right)\ {\xrightarrow {d}}\ N\left(0,\sigma ^{2}\right)$$`