diff --git a/README.md b/README.md
index 4aab487a..390be269 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # Hello world JavaScript action
 
-This action prints "Hello World" or "Hello" + the name of a person to greet to the log.
+This action prints "Hello World" or "Hello" + the name of a person to greet to the log. To learn how this action was built, see "[Creating a JavaScript action](https://help.github.com/en/articles/creating-a-javascript-action)" in the GitHub Help documentation.
 
 ## Inputs
 
diff --git a/action.yml b/action.yml
index a7fb731e..07218b75 100644
--- a/action.yml
+++ b/action.yml
@@ -1,4 +1,3 @@
-# action.yml
 name: 'Hello World'
 description: 'Greet someone and record the time'
 inputs:
diff --git a/index.js b/index.js
index 7ebcb446..723a82e9 100644
--- a/index.js
+++ b/index.js
@@ -2,10 +2,12 @@ const core = require('@actions/core');
 const github = require('@actions/github');
 
 try {
+  // `who-to-greet` input defined in action metadata file
   const nameToGreet = core.getInput('who-to-greet');
   console.log(`Hello ${nameToGreet}!`);
   const time = (new Date()).toTimeString();
   core.setOutput("time", time);
+  // Get the JSON webhook payload for the event that triggered the workflow
   const payload = JSON.stringify(github.context.payload, undefined, 2)
   console.log(`The event payload: ${payload}`);
 } catch (error) {