Fix grammar

Author: jerelmiller

docs/source/development-testing/graphql-codegen.mdx

@@ -7,7 +7,7 @@ Manually creating types for your GraphQL operations is error prone. As you intro
 
 Instead, you can generate your TypeScript definitions automatically with [GraphQL Code Generator](https://www.the-guild.dev/graphql/codegen) using your application's schema to ensure type accuracy.
 
-This guide provides detail on how to setup GraphQL Codegen in your application to provide types for your GraphQL operations.
+This guide provides detail on how to set up GraphQL Codegen in your application to provide types for your GraphQL operations.
 
 <Note>