Polish Javadoc

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

@@ -20,10 +20,11 @@ package org.springframework.context.annotation;
  * A {@link Condition} that offers more fine-grained control when used with
  * {@code @Configuration}. Allows certain {@link Condition}s to adapt when they match
  * based on the configuration phase. For example, a condition that checks if a bean has
- * already been registered might choose to only be evaluated on the
+ * already been registered might choose to only be evaluated during the
  * {@link ConfigurationPhase#REGISTER_BEAN REGISTER_BEAN} {@link ConfigurationPhase}.
  *
  * @author Phillip Webb
+ * @since 4.0
  */
 public interface ConfigurationCondition extends Condition {