Fix comment in Method Injection example in reference manual

Prior to this commit, the comment in the XML configuration example in
the Method Injection section of the reference manual referred to the
wrong bean names.

Closes gh-33096

Author: sbrannen

framework-docs/modules/ROOT/pages/core/beans/dependencies/factory-method-injection.adoc

@@ -201,7 +201,7 @@ the original class. Consider the following example:
 		<!-- inject dependencies here as required -->
 	</bean>
 
-	<!-- commandProcessor uses statefulCommandHelper -->
+	<!-- commandManager uses myCommand prototype bean -->
 	<bean id="commandManager" class="fiona.apple.CommandManager">
 		<lookup-method name="createCommand" bean="myCommand"/>
 	</bean>