diff --git a/zs.docs/SystemMastery/Unit Vision and Attack Range.md b/zs.docs/SystemMastery/Unit Vision and Attack Range.md
index d06128a..a6e03ec 100644
--- a/zs.docs/SystemMastery/Unit Vision and Attack Range.md	
+++ b/zs.docs/SystemMastery/Unit Vision and Attack Range.md	
@@ -13,6 +13,7 @@ availableSystems:
   - "[[Leviathan's Wake]]"
   - "[[Galactic Zenith]]"
   - "[[Sigma Vortex]]"
+  - "[[Zeta Horizon]]"
 unitVisionRange: 2
 unitAttackRange: 0.1
 ---