Quick onboarding tweaks (#1274)

* update instructions for clarity

* testCommand was missing

---------

Co-authored-by: The Typescriptrix <[email protected]>

Author: MariadeAnton

site/content/docs/playwright-checks/_index.md

@@ -63,7 +63,7 @@ What you need:
   npm install --save-dev jiti typescript
   ```
 
-### 3. Test and create a monitor with all your tests
+### 3. [If you are new to Checkly] Test and create a monitor with all your tests
 
   From inside your repository's source code directory, run:
 
@@ -78,7 +78,7 @@ What you need:
 
 Of course, you can now run `npx checkly deploy` and have a big monitor that checks your whole suite.
 
-It's likely only some tagged tests or Playwright projects need to become monitors. You can now update your `checkly.config.ts/js` file to select the tests to become individual monitors, with their own schedule, location and configuration.
+It's likely that only some tagged tests or Playwright projects need to become monitors. You can now update your `checkly.config.ts/js` file to select the tests to become individual monitors, with their own schedule, location, and configuration.
 
 Here's a fully working example. Adjust the `pwProjects` and `pwTags` to ones that exist in your code.
 

site/content/docs/playwright-checks/reference.md

@@ -14,7 +14,7 @@ menu:
 To define your Playwright Check Suite, you use the `checkly.config.ts/js` file.
 
 Each Playwright Check Suite is connected to an existing reference in your `playwright.config.ts/js` file. 
-During the Alpha, a Playwright Check Suite can last up to 20 minutes. This limit is open to be increased / decreased after the alpha.
+During the Alpha, a Playwright Check Suite can last up to 20 minutes. This limit is open to be increased/decreased after the alpha.
 
 ## Playwright Check Suite definition
 
@@ -53,6 +53,8 @@ These are the available monitoring configuration options:
 
 * `installCommand:` Override the command to install dependencies, by default it'll use `npm install --dev`.
 
+* `testCommand:` Override the command to test, by default it uses npx playwright test with the tags, projects, and config file options your check specifies.
+
 * `activated:` A boolean value to activate/run your check or not.
 
 * `muted:` A boolean value to mute Alert notifications.