Apply suggestions from code review

Co-authored-by: Dmitry Gozman <dgozman@gmail.com>
Signed-off-by: Max Schmitt <max@schmitt.mx>

docs/src/test-assertions-js.md

@@ -308,7 +308,7 @@ test('amount', async () => {
 });
 ```
 
-### Compatibility with expect from Jest
+### Compatibility with expect library
 
 :::note
 Do not confuse Playwright's `expect` with the [`expect` library](https://jestjs.io/docs/expect). The latter is not fully integrated with Playwright test runner, so make sure to use Playwright's own `expect`.

packages/playwright/src/matchers/expect.ts

@@ -185,7 +185,7 @@ function createExpect(info: ExpectMetaInfo) {
 }
 
 function throwUnsupportedExpectMatcherError() {
-  throw new Error('Playwright Expect matchers are not fully compatible with Jest matchers. See https://aka.ms/playwright/expect-compatibility');
+  throw new Error('It looks like you are using custom expect matchers that are not compatible with Playwright. See https://aka.ms/playwright/expect-compatibility');
 }
 
 expectLibrary.setState({ expand: false });