diff --git a/cmd/root.go b/cmd/root.go
index 70cd81e..646585b 100644
--- a/cmd/root.go
+++ b/cmd/root.go
@@ -44,4 +44,7 @@ func Execute() {
 }
 
 func init() {
+	rootCmd.Flags().BoolP("all", "a", false, "show all todos")
+	rootCmd.Flags().BoolP("completed", "c", false, "show all completed todos")
+	rootCmd.Flags().BoolP("verbose", "v", false, "show all fields of todos")
 }