Fix typo in Dev Services reference docs

See gh-40951

spring-boot-project/spring-boot-docs/src/docs/asciidoc/features/testcontainers.adoc

@@ -71,7 +71,7 @@ For example, the following `MyContainers` interface declares `mongo` and `neo4j`
 
 include::code:MyContainers[]
 
-If you already have containers defined in this way, or you just prefer this style, you can import these declaration classes rather than defining you containers as `@Bean` methods.
+If you already have containers defined in this way, or you just prefer this style, you can import these declaration classes rather than defining your containers as `@Bean` methods.
 To do so, add the `@ImportTestcontainers` annotation to your test configuration class:
 
 include::code:MyContainersConfiguration[]