add comments

docs/zkapps/tutorials/02-private-inputs-hash-functions.mdx

@@ -48,7 +48,7 @@ Ensure your environment meets the [Prerequisites](/zkapps/tutorials#prerequisite
 
 2. Create a project by using the `zk project` command:
 
-<!-- Prerequisites for the tutorial runner
+<!-- Prerequisites for the tutorial runner - MDX doesn't display these comments but the tutorial runner still picks up the code
 ```sh
 $ npm install -g zkapp-cli
 ```
@@ -259,7 +259,12 @@ For this tutorial, the key parts to discuss are initializing our contract and us
 
 The smart contract initialization this time is:
 
-<!-- setting up the src/main.ts file with some boilerplate code
+<!--
+
+Prerequisites for the tutorial runner - MDX doesn't display these comments but the tutorial runner still picks up the code
+We initialize the main.ts script with the boilerplate from the previous tutorial
+
+
 ```ts src/main.ts
 1 import { IncrementSecret } from './IncrementSecret.js';
 2 import {