call components

Author: patrick-ogrady

README.md

@@ -4,7 +4,7 @@
 [![License: Apache 2.0](https://img.shields.io/badge/License-Apache%202.0-blue.svg)](./LICENSE-APACHE)
 [![codecov](https://codecov.io/gh/commonwarexyz/alto/graph/badge.svg?token=Y2A6Q5G25W)](https://codecov.io/gh/commonwarexyz/alto)
 
-## Primitives
+## Components
 
 * [types](./types/README.md): Common types used throughout `alto`.