Polishing

(cherry picked from commit 162ee36)

spring-context/src/main/java/org/springframework/context/annotation/ConfigurationClassParser.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2014 the original author or authors.
+ * Copyright 2002-2015 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -474,7 +474,7 @@ class ConfigurationClassParser {
 					}
 					else {
 						// Candidate class not an ImportSelector or ImportBeanDefinitionRegistrar ->
-						// process it as a @Configuration class
+						// process it as an @Configuration class
 						this.importStack.registerImport(
 								currentSourceClass.getMetadata(), candidate.getMetadata().getClassName());
 						processConfigurationClass(candidate.asConfigClass(configClass));