Update README

Author: kizitonwose

README.md

@@ -51,7 +51,7 @@ View the multiplatform sample project's source code [here](https://github.com/ki
 
 ## Setup
 
-The library provides the following artifacts 
+The library provides the following artifacts: 
 
 `com.kizitonwose.calendar:compose`: The compose artifact for Android projects. This uses the [java.time](https://docs.oracle.com/javase/8/docs/api/java/time/package-summary.html) APIs.