Update image file name and alt text

Author: damabe

articles/service-bus-messaging/service-bus-java-how-to-use-topics-subscriptions.md

@@ -37,7 +37,7 @@ In this quickstart, you write Java code to send messages to an Azure Service Bus
 ## Configure your application to use Service Bus
 Make sure you have installed the [Azure SDK for Java][Azure SDK for Java] before building this sample. If you are using Eclipse, you can install the [Azure Toolkit for Eclipse][Azure Toolkit for Eclipse] that includes the Azure SDK for Java. You can then add the **Microsoft Azure Libraries for Java** to your project:
 
-![Libraries in Eclipse Build Path](media/service-bus-java-how-to-use-topics-subscriptions/eclipse-azure-libraries-java.png)
+![Add Microsoft Azure Libraries for Java to your Eclipse project](media/service-bus-java-how-to-use-topics-subscriptions/eclipse-azure-libraries-java.png)
 
 You also need to add the following JARs to the Java Build Path: