diff --git a/src/instances/views/index.ecr b/src/instances/views/index.ecr
index 9e0f062..501051d 100644
--- a/src/instances/views/index.ecr
+++ b/src/instances/views/index.ecr
@@ -89,6 +89,8 @@
 
     <div class="footer">
       <p>
+        Health is Uptime / Downtime displayed in percentage.
+        <br>
         Released under the AGPLv3. Source available <a href="https://github.com/iv-org/instances.invidio.us">here</a>.
         <br>
         This site is built with ❤️ using <a href="https://purecss.io/">Pure v1.0.1</a>.