Fix not replaced attributes

spring-boot-admin-docs/src/main/asciidoc/server-ui-modules.adoc

@@ -11,7 +11,7 @@ The Hystrix module uses the hystrix-dashboard to display the metrics from Hystri
 
 . Add the ui module to your classpath:
 +
-[source,xml]
+[source,xml,subs="verbatim,attributes"]
 .pom.xml
 ----
 <dependency>
@@ -35,7 +35,7 @@ The Activiti module shows information from the `/activti` endpint.
 
 . Add the ui module to your classpath:
 +
-[source,xml]
+[source,xml,subs="verbatim,attributes"]
 .pom.xml
 ----
 <dependency>