diff --git a/site/source/user-manual/tuning/service-guides/lightning.rst b/site/source/user-manual/tuning/service-guides/lightning.rst
index 35c87e6..8121dd6 100644
--- a/site/source/user-manual/tuning/service-guides/lightning.rst
+++ b/site/source/user-manual/tuning/service-guides/lightning.rst
@@ -9,6 +9,11 @@ Lightning
 Ride the Lightning
 ------------------
 
+.. _spark:
+
+Spark
+-----
+
 .. _thunderhub:
 
 Thunderhub