diff --git a/docs/developers-guide.md b/docs/developers-guide.md
index 5bc17af05e03bd541462542e5975cd7b36e786b8..603155e76a951ade592b8520da36f11ffa3af914 100644
--- a/docs/developers-guide.md
+++ b/docs/developers-guide.md
@@ -116,7 +116,11 @@ Run the linters and type checker with
 
 #### End-to-end tests
 
-End-to-end tests are written with [webschauffeur](https://github.com/metabase/webchauffeur) which is a wrapper around [`selenium-webdriver`](https://www.npmjs.com/package/selenium-webdriver).
+End-to-end tests are written with [webschauffeur](https://github.com/metabase/webchauffeur) which is a wrapper around [`selenium-webdriver`](https://www.npmjs.com/package/selenium-webdriver). 
+
+Generate the Metabase jar file which is used in E2E tests:
+
+    ./bin/build
 
 Run E2E tests once with
 
@@ -178,7 +182,6 @@ Start up an instant cheatsheet for the project + dependencies by running
 
     lein instant-cheatsheet
 
-
 ## License
 
 Copyright © 2016 Metabase, Inc