diff --git a/fermi.rb b/fermi.rb
index cde75eecdf..d0fff258dd 100644
--- a/fermi.rb
+++ b/fermi.rb
@@ -1,3 +1,4 @@
+# fermi: Build a bottle for Linuxbrew
 class Fermi < Formula
   homepage "https://github.com/lh3/fermi"
   # doi "10.1093/bioinformatics/bts280"