diff --git a/docs/output.md b/docs/output.md
index 12a4194..790c0e6 100644
--- a/docs/output.md
+++ b/docs/output.md
@@ -253,7 +253,7 @@ You will only receive the FASTQs and `*classifiedreads.txt` file if you supply `
 
 </details>
 
-### Diamond
+### DIAMOND
 
 <details markdown="1">
 <summary>Output files</summary>