Update ruby-sdk.mdx

Author: marcosmartini

src/content/docs/developer-tools/sdks/backend/ruby-sdk.mdx

@@ -379,7 +379,7 @@ If you configured a logout redirect url in Kinde, you’ll receive a logout call
 To have a new organization created within your application, you will need to run something like:
 
 ```ruby
-client.organizations.create_organization(create_organization_request: {name: "new_org"})
+client.organizations.create_organization(name: "new_org")
 ```
 
 ### Sign up and sign in to organizations