docs: show "-w 0"

blurp.go

@@ -148,6 +148,12 @@ var archiveCmd = &cobra.Command{
 var deleteCmd = &cobra.Command{
 	Use:   "delete",
 	Short: "Delete statuses like tears in the rain",
+	Example: `
+You can use "--weeks/-w 0" to signal "all posts". In combination with
+"--dry/-d", you can get a clear idea of what blurp is going to do with each
+status.
+
+  blurp delete --dry --weeks 0`,
 	RunE: func(cmd *cobra.Command, args []string) error {
 		authClient, err := auth.NewAuthClient(user)
 		if err != nil {