diff --git a/internal/cmd/avogen/main.go b/internal/cmd/avogen/main.go
index 1ff9601..7562b18 100644
--- a/internal/cmd/avogen/main.go
+++ b/internal/cmd/avogen/main.go
@@ -1,3 +1,4 @@
+// Command avogen generates code based on the instruction database.
 package main
 
 import (