Polish documentation format

See gh-24462

src/docs/asciidoc/core/core-validation.adoc

@@ -1618,6 +1618,7 @@ the Spring Validation API, as the following example shows:
 ==== Configuring Custom Constraints
 
 Each bean validation constraint consists of two parts:
+
 * A `@Constraint` annotation
 that declares the constraint and its configurable properties.
 * An implementation

src/docs/asciidoc/web/webflux.adoc

@@ -3102,7 +3102,7 @@ use `FormatterRegistrar` implementations.
 By default, if <<core.adoc#validation-beanvalidation-overview, Bean Validation>> is present
 on the classpath (for example, the Hibernate Validator), the `LocalValidatorFactoryBean`
 is registered as a global <<core.adoc#validator,validator>> for use with `@Valid` and
-`Validated` on `@Controller` method arguments.
+`@Validated` on `@Controller` method arguments.
 
 In your Java configuration, you can customize the global `Validator` instance,
 as the following example shows: