diff --git a/main.go b/main.go
index 5a0734e..48ba141 100644
--- a/main.go
+++ b/main.go
@@ -11,6 +11,7 @@ import (
 	"time"
 )
 
+// Release builds override this with: -ldflags="-X main.version=<tag>".
 var version = "dev"
 
 func main() {