Minor fixes to markdown files

Author: AnthonyBorton

.instructions/2. core exercises.md

@@ -58,7 +58,7 @@ Your finished snippet should match the following.
 
 5. Open the ```api/controller.js``` file in the editor window.
 
-6. Scroll down to where you see the ```<!-- TODO: Add operator -->``` comment
+6. Scroll down to where you see the ```// TODO: Add operator``` comment
 
 7. Press **ENTER** at the end of the line that defines the divide function.
 
@@ -68,7 +68,7 @@ Your finished snippet should match the following.
 
 9. Open the ```public/client.js``` file in the editor window.
 
-10. Scroll down to where you see the ```// TODO: Add operator -->``` comment (Line 22)
+10. Scroll down to where you see the ```// TODO: Add operator``` comment (Line 22)
 
 11. Move your cursor to the end of the line 35 (to the right of ```break;``` and press **ENTER**.
 

.instructions/3. challenge exercises.md

@@ -24,7 +24,7 @@ Now you've had an opportunity to get started using GitHub Copilot, we have a num
 
 8. Continue accepting suggestions line by line to see how many unit tests you can have Copiloit assist you in writing.
 
-9. Onc eyou're happy with a few unit tests, save the file and return to the terminal window. Enter ```npm test``` and press **ENTER** to execute the unit tests again.
+9. Once you're happy with a few unit tests, save the file and return to the terminal window. Enter ```npm test``` and press **ENTER** to execute the unit tests again.
 
 **NOTE:** The advanced features currently available in GitHub CopilotX Chat, provide far more sophisticated assistance in writing unit tests, including the ability to write complete test suites for you. At the time of creating this exercise, Copilot Chat was only available as a pre-release experiment.
 

README.md

@@ -20,7 +20,7 @@ Inside the `.instructions` folder you will find a number of markdown files that
 Filename | Description
 --- | ---
 [1. setup.md](</.instructions/1. setup.md>) | Instructions for installing the GitHub Copilot VS Code extension and joining the GitHub Copilot trial.
-[2. getting started.md](</.instructions/2. getting started.md>) | Instructions for getting started with GitHub Copilot.
+[2. core exercises.md](</.instructions/2. core exercises.md>) | Instructions for the core exercise of this workshop.
 [3. challenge exercises.md](</.instructions/3. challenge exercises.md>) | Challenge exercises for participants to complete.
 [4. additional resources.md](</.instructions/4. additional resources.md>) | Additional resources for participants to explore after the workshop.