Fix formatting in reference docs

docs/modules/ROOT/pages/servlet/configuration/java.adoc

@@ -185,7 +185,7 @@ Note that this configuration is parallels the XML Namespace configuration:
 == Multiple HttpSecurity Instances
 
 We can configure multiple `HttpSecurity` instances just as we can have multiple `<http>` blocks in XML.
-The key is to register multiple `SecurityFilterChain` `@Bean`s.
+The key is to register multiple `SecurityFilterChain` ``@Bean``s.
 The following example has a different configuration for URL's that start with `/api/`.
 
 ====

docs/modules/ROOT/pages/servlet/configuration/kotlin.adoc

@@ -55,8 +55,8 @@ Note that this configuration is parallels the XML namespace configuration:
 
 == Multiple HttpSecurity Instances
 
-We can configure multiple HttpSecurity instances, just as we can have multiple `<http>` blocks.
-The key is to register multiple `SecurityFilterChain` `@Bean`s.
+We can configure multiple `HttpSecurity` instances, just as we can have multiple `<http>` blocks.
+The key is to register multiple `SecurityFilterChain` ``@Bean``s.
 The following example has a different configuration for URL's that start with `/api/`:
 
 ====