diff --git a/content/3.defense-systems/rst_helicaseduf2290.md b/content/3.defense-systems/rst_helicaseduf2290.md
index b68b9fa414ec67cf420ec78422cfa5b90f9374b6..68a8ea3719768e4950db3126ee06892876512814 100644
--- a/content/3.defense-systems/rst_helicaseduf2290.md
+++ b/content/3.defense-systems/rst_helicaseduf2290.md
@@ -22,7 +22,7 @@ relevantAbstracts:
 
 ## Description
 
-The Rst_HelicaseDUF2290 system was discovered during a screen for defense systems targeted at hotspots of antiphage activity in phages and phage-satellites.
+The Rst_HelicaseDUF2290 system was discovered during a screen for defense systems targeted at hotspots of antiphage activity in phages and phage-satellites. It is composed of 2 proteins, an helicase and a protein with the domain DUF2290.
 
 ## Molecular mechanism