diff --git a/main.go b/main.go
index f0b4383..af56231 100644
--- a/main.go
+++ b/main.go
@@ -11,7 +11,7 @@ import (
 )
 
 func main() {
-	prefix := flag.String("prefix", "", "a string")
+	prefix := flag.String("prefix", "", "Variable's prefix")
 	flag.Parse()
 
 	var client = &http.Client{