diff --git a/config/src/main/java/org/springframework/security/config/annotation/web/configuration/EnableWebSecurity.java b/config/src/main/java/org/springframework/security/config/annotation/web/configuration/EnableWebSecurity.java
index 940d685eaf..8fc51dc26c 100644
--- a/config/src/main/java/org/springframework/security/config/annotation/web/configuration/EnableWebSecurity.java
+++ b/config/src/main/java/org/springframework/security/config/annotation/web/configuration/EnableWebSecurity.java
@@ -52,7 +52,7 @@ import org.springframework.security.config.annotation.web.WebSecurityConfigurer;
  * 	}
  *
  * 	@Override
- * 	protected void configure(AuthenticationManagerBuilder auth) {
+ * 	protected void configure(AuthenticationManagerBuilder auth) throws Exception {
  * 		auth
  * 		// enable in memory based authentication with a user named "user" and "admin"
  * 		.inMemoryAuthentication().withUser("user").password("password").roles("USER")