Fix typo

Author: snicoll

spring-boot-docs/src/main/asciidoc/spring-boot-features.adoc

@@ -6252,7 +6252,7 @@ In the example above, the `myService` bean is going to be created if no bean of
 TIP: You need to be very careful about the order that bean definitions are added as these
 conditions are evaluated based on what has been processed so far. For this reason,
 we recommend only using `@ConditionalOnBean` and `@ConditionalOnMissingBean` annotations
-on auto-configuration classes (since these are guaranteed to load after any user-define
+on auto-configuration classes (since these are guaranteed to load after any user-defined
 beans definitions have been added).
 
 NOTE: `@ConditionalOnBean` and `@ConditionalOnMissingBean` do not prevent `@Configuration`