add piwik info to workbench install doc

diff --git a/doc/install/install-workbench-app.md b/doc/install/install-workbench-app.md
index 468e161ef35c10ccaf66b7f0cd2f28adda10e598..6c63598c0288c34bc12ee37cc22b1253b70678cc 100644 (file)
--- a/doc/install/install-workbench-app.md
+++ b/doc/install/install-workbench-app.md
@@ -18,6 +18,8 @@ navorder: 2
 
 Please follow the instructions on the [Download page](https://arvados.org/projects/arvados/wiki/Download) in the wiki.
 
+The workbench application is in `apps/workbench`.
+
 ## Configure the Workbench application
 
 You need to update config/initializers/secret_token.rb. Generate a new secret with
@@ -36,6 +38,8 @@ your API server. Use the example values as a guide.
 * If you choose not to use https, make sure to also set
 `config.force_ssl = false` in the API server's `production.rb` file.
 
+Copy `config/piwik.yml.example` to `config/piwik.yml` and edit to suit.
+
 ## Apache/Passenger
 
 Set up Apache and Passenger. Point them to the apps/workbench directory in the source tree.