Oxford comma

Author: CaptainCodeman

README.md

@@ -222,7 +222,7 @@ const studioSchema = new Schema(Studio, {
 })
 ```
 
-When you create a `Schema`, it modifies the entity you handed it, adding getters and setters for the properties you define. The type those getters and setters accept and return are defined with the type parameter above. Valid values are: `string`, `number`, `boolean`, `string[]`, `date`, `point`, `text` or `binary`.
+When you create a `Schema`, it modifies the entity you handed it, adding getters and setters for the properties you define. The type those getters and setters accept and return are defined with the type parameter above. Valid values are: `string`, `number`, `boolean`, `string[]`, `date`, `point`, `text`, or `binary`.
 
 The first three do exactly what you think—they define a property that is a [String](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String), a [Number](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number), or a [Boolean](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Boolean). `string[]` does what you'd think as well, specifically defining an [Array](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array) of Strings.