Polish formatting

Author: philwebb

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

@@ -998,26 +998,28 @@ You can also use regular Spring MVC features like http://docs.spring.io/spring/d
 methods] and http://docs.spring.io/spring/docs/current/spring-framework-reference/htmlsingle/#mvc-ann-controller-advice[`@ControllerAdvice`].
 The `ErrorController` will then pick up any unhandled exceptions.
 
-N.B. if you register an `ErrorPage` with a path that will end up being handled by a `Filter` (e.g. as is common with some non-Spring web frameworks, 
-like Jersey and Wicket), then the `Filter` has to be explicitly registered as an `ERROR` dispatcher, e.g.
+N.B. if you register an `ErrorPage` with a path that will end up being handled by a
+`Filter` (e.g. as is common with some non-Spring web frameworks,  like Jersey and Wicket),
+then the `Filter` has to be explicitly registered as an `ERROR` dispatcher, e.g.
 
 [source,java,indent=0,subs="verbatim,quotes,attributes"]
 ----
-@Bean
-public FilterRegistrationBean myFilter() {
+	@Bean
+	public FilterRegistrationBean myFilter() {
 
-  FilterRegistrationBean registration = new FilterRegistrationBean();
-  registration.setFilter(new MyFilter());
-  ...
-  registration.setDispatcherTypes(EnumSet.allOf(DispatcherType.class));
-  return registration;
+	  FilterRegistrationBean registration = new FilterRegistrationBean();
+	  registration.setFilter(new MyFilter());
+	  ...
+	  registration.setDispatcherTypes(EnumSet.allOf(DispatcherType.class));
+	  return registration;
 
-}
+	}
 ----
 
 (the default `FilterRegistrationBean` does not include the `ERROR` dispatcher type).
 
 
+
 [[boot-features-embedded-container]]
 === Embedded servlet container support
 Spring Boot includes support for embedded Tomcat and Jetty servers. Most developers will