Update link to lgtm to go to the explore section

Makes it easier for new users to search for projects.

extensions/ql-vscode/README.md

@@ -77,7 +77,7 @@ You can find all the commands contributed by the extension in the Command Palett
 
 While you can use the [CodeQL CLI to create your own databases](https://help.semmle.com/codeql/codeql-cli/procedures/create-codeql-database.html), the simplest way to start is by downloading a database from LGTM.com.
 
-1. Open [LGTM.com](https://lgtm.com) in your browser.
+1. Open [LGTM.com](https://lgtm.com/#explore) in your browser.
 1. Search for a project you're interested in, for example [Apache Kafka](https://lgtm.com/projects/g/apache/kafka).
 1. Copy the link to that project, for example `https://lgtm.com/projects/g/apache/kafka`.
 1. In VS Code, open the Command Palette and choose the **CodeQL: Download Database from LGTM** command.