diff --git a/src/main/webapp/META-INF/context.xml b/src/main/webapp/META-INF/context.xml
index d5deabaf7..89e3be4bd 100644
--- a/src/main/webapp/META-INF/context.xml
+++ b/src/main/webapp/META-INF/context.xml
@@ -1,4 +1,5 @@
 <!-- Tomcat context descriptor used for specifying a custom ClassLoader -->
+<!-- Useful for allowing web-app wide (as opposed to VM or container wide) class instrumentation -->
 <Context path="/petclinic" reloadable="false">
 	<!-- please note that useSystemClassLoaderAsParent is available since Tomcat 5.5.20 / remove if previous versions are being used -->
 	<!--