Correct WARNING attribute (#1511)

Signed-off-by: Tran Ngoc Nhan <ngocnhan.tran1996@gmail.com>

Author: ngocnhan-tran1996

docs/modules/ROOT/pages/spring-cloud-commons/common-abstractions.adoc

@@ -664,7 +664,7 @@ public class MyClass {
 The URI needs to use a virtual host name (that is, a service name, not a host name).
 The `LoadBalancerClient` is used to create a full physical address.
 
-WARN: This approach is now deprecated.
+WARNING: This approach is now deprecated.
 We suggest that you use xref:spring-cloud-commons/common-abstractions.adoc#webflux-with-reactive-loadbalancer[WebFlux with reactive Load-Balancer]
 instead.
 

docs/modules/ROOT/pages/spring-cloud-commons/loadbalancer.adoc

@@ -72,7 +72,7 @@ See the xref:spring-cloud-commons/loadbalancer.adoc#loadbalancer-cache-configura
 If you are using Caffeine, you can also override the default Caffeine Cache setup for the LoadBalancer by passing your own https://static.javadoc.io/com.github.ben-manes.caffeine/caffeine/2.2.2/com/github/benmanes/caffeine/cache/CaffeineSpec.html[Caffeine Specification]
 in the `spring.cloud.loadbalancer.cache.caffeine.spec` property.
 
-WARN: Passing your own Caffeine specification will override any other LoadBalancerCache settings, including xref:spring-cloud-commons/loadbalancer.adoc#loadbalancer-cache-configuration[General LoadBalancer Cache Configuration] fields, such as `ttl` and `capacity`.
+WARNING: Passing your own Caffeine specification will override any other LoadBalancerCache settings, including xref:spring-cloud-commons/loadbalancer.adoc#loadbalancer-cache-configuration[General LoadBalancer Cache Configuration] fields, such as `ttl` and `capacity`.
 
 [[default-loadbalancer-cache-implementation]]
 === Default LoadBalancer Cache Implementation