docs: fixed minor typos (#687)

Fixes minor typo's in `Readme.md`

README.md

@@ -28,7 +28,7 @@ You can use Puppeteer Replay to:
 
 1. **Replay recording**. Replay recording with CLI or using [the replay lib API](/examples/replay-from-file-using-puppeteer/main.js).
 2. **Customize replay**. Customize how a recording is run. For example, capture screenshots after each step or integrate with 3rd party libraries.
-3. **Transform recoding**. Customize how a recording is stringified. For example, transform the recording into another format.
+3. **Transform recording**. Customize how a recording is stringified. For example, transform the recording into another format.
 
 Also, you can use third-party integrations that build on top of `@puppeteer/replay`, which includes:
 
@@ -83,7 +83,7 @@ Using CLI + package.json:
 }
 ```
 
-Set the `PUPPETEER_HEADLESS` environment variable or `--headless` CLI flag to control whether the browser is start in a headful or headless mode. For example,
+Set the `PUPPETEER_HEADLESS` environment variable or `--headless` CLI flag to control whether the browser is started in a headful or headless mode. For example,
 
 ```
 PUPPETEER_HEADLESS=true npx @puppeteer/replay recording.json # runs in headless mode, the default mode.
@@ -269,7 +269,7 @@ For example, here are some of the third party extensions:
 - [WebPageTest extension](https://chrome.google.com/webstore/detail/webpagetest-recorder-exte/eklpnjohdjknellndlnepihjnhpaimok) lets you export user flows from the Recorder directly as [WebPageTest Custom scripts](https://docs.webpagetest.org/scripting/) to measure site's performance. See [Converting user flows to WebPageTest custom scripts](https://blog.webpagetest.org/posts/introducing-the-new-webpagetest-recorder-chrome-extension/) to learn more.
 - [Nightwatch extension](https://chrome.google.com/webstore/detail/nightwatch-chrome-recorde/nhbccjfogdgkahamfohokdhcnemjafjk/) lets you export JSON user flows as [Nightwatch test script](https://github.com/nightwatchjs/nightwatch-recorder-extension). [Nightwatch](https://nightwatchjs.org/) is an end-to-end testing solution for web applications and websites.
 - [Testing Library extension](https://chrome.google.com/webstore/detail/testing-library-recorder/pnobfbfcnoeealajjgnpeodbkkhgiici) lets you export JSON user flows as [Testing Library script](https://github.com/nickmccurdy/testing-library-recorder-extension). [Testing Library](https://testing-library.com/) has simple and complete testing utilities that encourage good testing practices.
-- [WebdriverIO extension](https://chrome.google.com/webstore/detail/webdriverio-chrome-record/pllimkccefnbmghgcikpjkmmcadeddfn?hl=en&authuser=1) lets you export JSON user flows as [WebdriverIO test script](https://github.com/webdriverio/recorder-extension). [WebdriverIO](https://webdriver.io/) is an end-to-end testing solution for web, mobile and IoT applications and websites..
+- [WebdriverIO extension](https://chrome.google.com/webstore/detail/webdriverio-chrome-record/pllimkccefnbmghgcikpjkmmcadeddfn?hl=en&authuser=1) lets you export JSON user flows as [WebdriverIO test script](https://github.com/webdriverio/recorder-extension). [WebdriverIO](https://webdriver.io/) is an end-to-end testing solution for web, mobile and IoT applications and websites.
 
 This feature only available from Chrome 104 onwards. Check your current Chrome version with `chrome://version`. Consider installing [Chrome Canary](https://www.google.com/chrome/canary/) to try out cutting-edge features in Chrome.