</code></pre>
</notextile>
-h2. Configure Piwik
+h2. Configure Piwik (optional)
-Piwik is optional, and can be to gather usage analytics. In @/var/www/arvados-workbench/current/config@, copy @piwik.yml.example@ to @piwik.yml@ and edit to suit.
+Piwik can be used to gather usage analytics. In @/var/www/arvados-workbench/current/config@, copy @piwik.yml.example@ to @piwik.yml@ and edit to suit.
h2. Set up Web server