diff --git a/content/2.general-concepts/0.index.md b/content/2.general-concepts/0.index.md
index 7fcdef1cda89f3562c151f2704c7454a58fdcb44..83567adb8bd9ffbb8a69fa2589dc2a259e582fd5 100644
--- a/content/2.general-concepts/0.index.md
+++ b/content/2.general-concepts/0.index.md
@@ -9,11 +9,11 @@ In the following pages are presented different general concepts that are useful
 
 You'll find information on :
 
-- [1. Abortive infection](/general-concepts/abortive-infection)
-- [2. Defense Islands  ](/general-concepts/defense-islands)
-- [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)
-- [7. MGE and defense systems](/general-concepts/MGE-defense-systems)
-- [8. Anti defense systems](/general-concepts/anti-defense-systems)
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+1. [Abortive infection](/general-concepts/abortive-infection)
+2. [Defense Islands  ](/general-concepts/defense-islands)
+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)
+7. [MGE and defense systems](/general-concepts/MGE-defense-systems)
+8. [Anti defense systems](/general-concepts/anti-defense-systems)
\ No newline at end of file