Update right_sizing_vm.md

Author: RamiyapriyaS-NIH

docs/right_sizing_vm.md

@@ -8,7 +8,7 @@
 
 2. Scroll down and select the *Monitoring* tab.
 
-<img src="/docs/images/1_EC2_homepage.png" width="550" height="150">
+<img src="/docs/images/2_monitoring_tab.png" width="550" height="150">
 
 3. If you would like more information for a given metric, click the three dots and select *View in metrics*.