Typo fixes

Author: sanders41

README.md

@@ -464,9 +464,9 @@ If used, `min_indexed_level` is ignored.
 
 #### `js_render` (optional)
 
-When `js_render` is set to `true`, The scraper will use ChromeDriver. This is needed for pages that are rendered with JavaScript, for example pages generated with React, Vue, or applications that are running in development mode: `autoreload` `watch`. 
+When `js_render` is set to `true`, the scraper will use ChromeDriver. This is needed for pages that are rendered with JavaScript, for example, pages generated with React, Vue, or applications that are running in development mode: `autoreload` `watch`.
 
-After installing ChromeDriver, provide the path to the bin using the following environment variable `CHROMEDRIVER_PATH` (default value is `/usr/bin/chromedriver`.
+After installing ChromeDriver, provide the path to the bin using the following environment variable `CHROMEDRIVER_PATH` (default value is `/usr/bin/chromedriver`).
 
 The default value of `js_render` is `false`.