Minor README updates for .jar plugin

Change-Id: I36df82b225435a96e7598e2fb5a8a302daf83c05
diff --git a/README.md b/README.md
index 026fca8..6d891bb 100644
--- a/README.md
+++ b/README.md
@@ -17,5 +17,5 @@
 1. Clone gerrit `git clone https://gerrit.googlesource.com/gerrit`
 1. Clone plugin to `plugins/zuul-results-summary` `cd plugins; git clone https://gerrit.googlesource.com/plugins/zuul-results-summary
 1. Run build `cd ..; bazel build plugins/zuul-results-summary:zuul-results-summary`
-1. Copy resulting plugin `bazel-bin/plugins/zuul-results-summary/zuul-results-summary.js` to Gerrit plugins directory
-
+1. Copy resulting plugin `bazel-bin/plugins/zuul-results-summary/zuul-results-summary.jar` to Gerrit plugins directory
+1. Issue a reload `ssh -p 29418 admin@<host> gerrit plugin reload zuul-results-summary`