Update README.md

Author: ptrthomas

README.md

@@ -24,10 +24,10 @@ No extra installation or setup is required. Everything needed to write and run K
 ## Editing Classpath
 To add custom JAR files to the runtime (in default "bundled" run mode), you can follow [these instructions](https://github.com/karatelabs/karate/wiki/Karate-Robot-Windows-Install-Guide#edit-karate-extension-classpath). This is needed if you want to use [Karate Robot](https://github.com/karatelabs/karate/tree/master/karate-robot) for Windows desktop automation.
 
-## Using a specific Karate version
+### Using a specific Karate version
 For convenience, the Karate Visual Studio Code extension embeds the latest version of Karate (in default "bundled" run mode). Teams maintaining large test-suites using advanced features may want to "lock-down" the version of Karate used, which is important when collaborating within a team and running tests in Continuous Integration. Refer to this wiki page for more: [Run Mode - Custom](https://github.com/karatelabs/karate-vscode-extension/wiki/Run-Mode:-Custom).
 
-## Maven or Gradle
+### Maven or Gradle
 You should change extension settings to switch the run more to "maven" or "custom". Maven should just work without needing to tweak the default command-line settings. For Gradle and custom needs, refer to this wiki page for more: [Run Mode - Custom](https://github.com/karatelabs/karate-vscode-extension/wiki/Run-Mode:-Custom).
 
 ## Command Line