Update README

README.md

@@ -34,7 +34,7 @@ To configure the image proxy, you will need to set the `IMGPROXY_` env vars. `NE
 The site is written in javascript using Next.js, a React framework. The backend API is provided via GraphQL. The database is PostgreSQL modeled with Prisma. The job queue is also maintained in PostgreSQL. We use lnd for our lightning node. A customized Bootstrap theme is used for styling.
 
 # processes
-There are two. 1. the web app and 2. the worker, which dequeues jobs sent to it by the web app, e.g. polling lnd for invoice/payment status
+There are two. 1. the web app and 2. the worker, which dequeues jobs sent to it by the web app, e.g. processing images.
 
 # wallet transaction safety
 To ensure stackers balances are kept sane, all wallet updates are run in serializable transactions at the database level. Because prisma has relatively poor support for transactions all wallet touching code is written in plpgsql stored procedures and can be found in the prisma/migrations folder.