Fix Javadoc typos

See gh-24287

Author: KangZhiDong

spring-beans/src/main/java/org/springframework/beans/factory/parsing/ParseState.java

@@ -53,7 +53,7 @@ public ParseState() {
 	}
 
 	/**
-	 * Create a new {@code ParseState} whose {@link LinkedList} is a {@link Object#clone clone}
+	 * Create a new {@code ParseState} whose {@link LinkedList} is an {@link Object#clone clone}
 	 * of that of the passed in {@code ParseState}.
 	 */
 	@SuppressWarnings("unchecked")

spring-beans/src/main/java/org/springframework/beans/factory/parsing/ReaderContext.java

@@ -152,14 +152,14 @@ public void warning(String message, @Nullable Object source, @Nullable ParseStat
 	// Explicit parse events
 
 	/**
-	 * Fire an defaults-registered event.
+	 * Fire a defaults-registered event.
 	 */
 	public void fireDefaultsRegistered(DefaultsDefinition defaultsDefinition) {
 		this.eventListener.defaultsRegistered(defaultsDefinition);
 	}
 
 	/**
-	 * Fire an component-registered event.
+	 * Fire a component-registered event.
 	 */
 	public void fireComponentRegistered(ComponentDefinition componentDefinition) {
 		this.eventListener.componentRegistered(componentDefinition);