diff --git a/content/3.defense-systems/disarm.md b/content/3.defense-systems/disarm.md
index 53b4698abc1303352e843eccff1ed571b82b7986..69566a2872fd5d93a80868bbaa24c66174b446bc 100644
--- a/content/3.defense-systems/disarm.md
+++ b/content/3.defense-systems/disarm.md
@@ -63,7 +63,7 @@ The system was detected in 201 different species.
 
 Proportion of genome encoding the DISARM system for the 14 phyla with more than 50 genomes in the RefSeq database.
 
-## structure
+## Structure
 ### Experimentaly determined structure
 From :ref{doi=10.1038/s41586-023-06855-2} in *Serratia sp*: