diff --git a/index.html b/index.html
index 237a0f3..600332d 100644
--- a/index.html
+++ b/index.html
@@ -204,7 +204,8 @@
             If your product is open source, I charge 800€ per day, 100€ of which
             will be donated to a charitable organization of my choice. If you want
             to know which organizations I support and why, check out
-            <a href="">my blog post about it</a>!
+            <a href="https://blog.veitheller.de/Giving_to_Charities.html">my
+            blog post about it</a>!
           </li>
         </ul>
         <p>