diff --git a/spring-batch-samples/src/main/resources/data-source-context.xml b/spring-batch-samples/src/main/resources/data-source-context.xml
index 76c9ead29..6b1cb4690 100644
--- a/spring-batch-samples/src/main/resources/data-source-context.xml
+++ b/spring-batch-samples/src/main/resources/data-source-context.xml
@@ -18,7 +18,7 @@
 		<property name="dataSource" ref="dataSource" />
 	</bean>
 
-	<!-- Set up or detect a System property called "environment" used to construct a properties file on the classpath.  The default is "hsql".  -->
+	<!-- Set up or detect a System property called "org.springframework.batch.support.SystemPropertyInitializer.ENVIRONMENT" used to construct a properties file on the classpath.  The default is "hsql".  -->
 	<bean id="environment"
 		class="org.springframework.batch.support.SystemPropertyInitializer">
 		<property name="defaultValue" value="hsql"/>
@@ -54,4 +54,4 @@
 
 	<!--import resource="alt-data-source-context.xml" /-->
 
-</beans>
\ No newline at end of file
+</beans>