clarify contributing file

Author: Sebastian-Webster

CONTRIBUTING.md

@@ -14,37 +14,47 @@ npm install
 
 Everything has now been setup! You can now make your desired changes to the code.
 
-# Test the code
+# Building
 
-For manual testing, you can create a new project and run the command
+To build the code, you can run the command:
 
 ```sh
-npm install path/to/mysql-memory-server
+npx tsc
 ```
 
-replacing "path/to/mysql-memory-server" with the path to this repository on your computer. You can then write code that uses `mysql-memory-server` and test your changes.
+Building the code will change the files in the `dist` folder. Before committing your changes, please make sure no changes from the `dist` folder end up in the commit.
 
-There are also automated tests which you can run by running the command:
+The `dist` folder is only modified when a new version of this package is published to npm.
+
+If you just want to check that there are no build errors without modifying the `dist` folder's files, you can run the command:
 
 ```sh
-npm test
+npx tsc --noEmit
 ```
 
-Please do not run the `npm run test:ci` command to test your code locally. That command is meant to only be used in disposable CI environments.
+# Test the code
 
-# Building
+For manual testing, build the code and then create a new project and run the command
 
-To build the code, you can run the command:
+```sh
+npm install path/to/mysql-memory-server
+```
+
+replacing "path/to/mysql-memory-server" with the path to this repository on your computer. You can then write code that uses `mysql-memory-server` and test your changes.
+
+There are also automated tests which you can run by running the command:
 
 ```sh
-npx tsc
+npm test
 ```
 
+Please do not run the `npm run test:ci` command to test your code locally. That command is meant to only be used in GitHub Actions.
+
 # Submitting the pull request
 
 Before submitting the pull request, please make sure the following are true:
 - All the automated tests pass
 - There are no build errors
-- Your commits do not contain any changes from the `dist` folder (this folder is only modified whenever a new version of this package is published to npm)
+- Your commits do not contain any changes from the `dist` folder
 
 Now that your change has been made, it's time to commit and push your code to your forked repository. Once that's done, you can create a pull request. You can learn more about that [here](https://docs.github.com/en/pull-requests/collaborating-with-pull-requests/proposing-changes-to-your-work-with-pull-requests/creating-a-pull-request)