Fix typo

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

@@ -152,7 +152,7 @@ used with the following configuration:
 	spring.main.show-banner=true
 ----
 
-The actual application will _now_ show the banner (as overrided by configuration) and use
+The actual application will _now_ show the banner (as overridden by configuration) and use
 three sources for the `ApplicationContext` (in that order): `demo.MyApp`, `com.acme.Config`,
 `com.acme.ExtraConfig`.