diff --git a/_data/toc.yml b/_data/toc.yml
index 5892f28..aed48bd 100644
--- a/_data/toc.yml
+++ b/_data/toc.yml
@@ -15,8 +15,8 @@ Advanced:
   - docs/persistence.md
   - docs/best-practices.md
 Reference:
-  - title: robot
-    url: "https://probot.github.io/api/latest/Robot.html"
+  - title: app
+    url: "https://probot.github.io/api/latest/Application.html"
   - title: context
     url: "https://probot.github.io/api/latest/Context.html"
   - title: context.github
diff --git a/index.html b/index.html
index 9659d5c..dd57cae 100644
--- a/index.html
+++ b/index.html
@@ -81,8 +81,8 @@ layout: default
         <div class="col-md-6">
           <div class="rounded-2 overflow-hidden border" style="margin-left: 60px;">
 {% highlight javascript %}
-module.exports = robot => {
-  robot.on('issues.opened', async context => {
+module.exports = app => {
+  app.on('issues.opened', async context => {
     const params = context.issue({
       body: 'Hello World!'
     });