Clarify instructions in comment

.vscode/launch.json

@@ -103,7 +103,8 @@
         "--disable-extension",
         "github.copilot",
         "${workspaceRoot}/extensions/ql-vscode/src/vscode-tests/cli-integration/data",
-        // Add a path to a checked out instance of the codeql repository so the libraries are
+        // Uncomment the last line and modify the path to a checked out 
+        // instance of the codeql repository so the libraries are
         // available in the workspace for the tests.
         // "${workspaceRoot}/../codeql"
       ],