more fixes from Neil's review

labs/collab-xapi-controls/4.md

@@ -24,12 +24,12 @@ For that purpose, we will create a Node.js script that runs on your local PC, le
  const MAX = 90; // 90 for a DX, and 70 for a RoomKit
 
  xapi.on('error', (err) => {
- console.error(`connexion failed: ${err}, exiting`);
+ console.error(`connection failed: ${err}, exiting`);
  process.exit(1);
  })
 
  xapi.on('ready', () => {
- console.log("connexion successful");
+ console.log("connection successful");
 
  // Display current Ultrasound volume
  xapi.config.get('Audio Ultrasound MaxVolume')

labs/collab-xapi-controls/7.md

@@ -59,9 +59,9 @@ function updateUI(volume) {
 
 2. Save and restart your script, then change the ultrasound volume to zero using the control panel's slider widget.
 
- Check the lower-left corner of your device's main screen display the confrim the updated custom message:
+ Check the lower-left corner of your device's main screen display:
 
  ![Pairing disabled](assets/images/step1-ultrasound-activity.png)
- >Note: if your device doesn't have a main screen display or you can't see it, check the web configuration UI under **Setup -> Personalization** to see a small rendering of what your displays would look like, including any custom messages
+ >Note: if your device doesn't have a main screen display or you can't see it, check the web configuration UI under **Setup -> Personalization** to see a small rendering of what your display looks like, including any custom message
 
 If you are interested in digging further into the details of your device's personalization/branding capabilities, check out the [Personalizing Collaboration Devices from Code](https://learninglabs.cisco.com/lab/collab-xapi-branding/step/1) learning lab.

labs/collab-xapi-controls/8.md

@@ -47,11 +47,11 @@ Take some time to explore the various resources provided in the Macro Editor tow
 
 You’ll find several tabs with useful links:
 - **Introduction**: this tab contains handy code snippets demonstrating how to invoke commands, listen to events and update configuration settings
-- **Examples**: these scripts are organized by use-case, are fully operational, and can be experimentd with immediately by clicking the **Load Example** button
+- **Examples**: these scripts are organized by use-case, are fully operational, and can be experimented by clicking the **Load Example** button
 - **Tutorial**: this guide is an excellent walk-through to help you in your first steps with the macro framework (the guide is also available online here [CE 9.2.1+ Macros Tutorial](https://github.com/ObjectIsAdvantag/xapi-samples/blob/master/macros/pdf/macro-tutorial.pdf).
 
 To inspire you, we’ve assembled a collection of custom in-room control definition files, macros and Node.js example scripts in this [xAPI samples repo](https://github.com/ObjectIsAdvantag/xapi-samples).
 
-For fun, you might like trying out the xAPI-based [Maze game](https://github.com/ObjectIsAdvantag/xapi-samples/tree/master/controls/levels)!
+For fun, you might like trying out the xAPI-based [Maze game](https://github.com/ObjectIsAdvantag/xapi-samples/tree/master/controls/maze_levels)
 
 ![Maze Game](assets/images/step8-maze-game.png)