diff --git a/content/2.general-concepts/0.index.md b/content/2.general-concepts/0.index.md
index cf43130e79633722cdc341770045d62b7a29e45c..b2b6f92370c708fd6efcb7e7f55c37614b7b18b4 100644
--- a/content/2.general-concepts/0.index.md
+++ b/content/2.general-concepts/0.index.md
@@ -14,6 +14,6 @@ You'll find information on :
 3. [Triggers of defense systems](/general-concepts/defense-systems_trigger/)
 4. [Effectors of defense systems](/general-concepts/defense-systems_effector/)
 5. [How defense systems were and are discovered](/general-concepts/defense-systems-discovery/)
-6. [Defensive domains](/general-concepts/defense-domains/)
+6. [Defensive domains](/general-concepts/defensive-domains/)
 7. [MGE and defense systems](/general-concepts/MGE-defense-systems/)
 8. [Anti defense systems](/general-concepts/anti-defense-systems/)
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