diff --git a/content/3.defense-systems/abih.md b/content/3.defense-systems/abih.md
index d85ace09e30015fdf10fa4652b0e79937e5ea43f..475a4ffd9b910d0ec2db566c1f209ddf26bd5f8e 100644
--- a/content/3.defense-systems/abih.md
+++ b/content/3.defense-systems/abih.md
@@ -18,6 +18,13 @@ relevantAbstracts:
 ---
 
 # AbiH
+
+## Description
+AbiH is a single-gene abortive infection system described in Lactococcus.
+
+## Molecular mechanism 
+To the best of our knowledge, no molecular mechanism has been described so far for AbiH.
+
 ## Example of genomic structure
 
 The AbiH is composed of 1 protein: AbiH.