diff --git a/specs/phase0/validator.md b/specs/phase0/validator.md
index fb75db2e3..b0065dd81 100644
--- a/specs/phase0/validator.md
+++ b/specs/phase0/validator.md
@@ -65,6 +65,7 @@
 - [How to avoid slashing](#how-to-avoid-slashing)
   - [Proposer slashing](#proposer-slashing)
   - [Attester slashing](#attester-slashing)
+- [Protection best practices](#protection-best-practices)
 
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