docs(usage): Fix a typo

readme.md

@@ -20,7 +20,7 @@ npm i better-auth-mikro-orm
 
 1. First you'll need to set up Mikro ORM and define the [core schema](https://www.better-auth.com/docs/concepts/database#core-schema) for Better Auth.
 If you use any plugin - don't forget to check if they have any additional database schema definitions, then define entities you'll need for each plugin.
-2. When you done with the schema definition you can simply pass the result of `mikroOrmAdapter` call to the `database` option like this:
+2. When you finished with the schema definition you can simply pass the result of `mikroOrmAdapter` call to the `database` option like this:
 
 ```ts
 import {mikroOrmAdapter} from "better-auth-mikro-orm"