Update mlbparks-debugging.adoc (#47)

documentation/modules/ROOT/pages/mlbparks-debugging.adoc

@@ -4,7 +4,7 @@
 [#port_forwading_and_debugging]
 == Background: Port Forwarding and Debugging
 Just as we did before with remote shelling into our pods, we can also set up a port-forward between our local machine
-and our pod. The is useful for operations like connecting to a database running in a pod, viewing an administrative web
+and our pod. This is useful for operations like connecting to a database running in a pod, viewing an administrative web
 interface we don't want to expose to the public, or, in our case, attaching a debugger to the JVM running our application
 server.