Update README.md

Author: sbabcoc

README.md

@@ -16,9 +16,9 @@ The driver service implemented by **HtmlUnit Remote** enables **Selenium 4 Grid*
 * **HtmlUnitDriverInfo** - This class informs **Selenium 4 Grid** that **HtmlUnitDriver** is available and provides a method to create new driver instances.
 * **HtmlUnitDriverService** - This class manages a server that hosts instances of **HtmlUnitDriver**.
 * **HtmlUnitDriverServer** - This is the server class that hosts **HtmlUnitDriver** instances. It implements the [W3C WebDriver protocol](https://www.w3.org/TR/webdriver2):
-	* Create new driver sessions
-	* Route driver commands to specified driver sessions
-	* Package driver method results into HTTP responses
+  * Create new driver sessions
+  * Route driver commands to specified driver sessions
+  * Package driver method results into HTTP responses
 
 In operation, **HtmlUnitDriverService** is instantiated by **Selenium 4 Grid** node servers that are configured to support **HtmlUnitDriver**. Unlike other driver services, which launch a new process for each created driver session, **HtmlUnitDriverService** starts a single in-process server that hosts all of the driver sessions it creates.