Improve docs

integration-tests/run-integration-test.sh

@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 
 # This script is not meant to be invoked manually, instead it should be invoked
-# through one of the integration test scripts such as the metrics or checkstyle one.
+# through one of the integration test scripts such as `checkstyle.sh`.
 
 set -e -u -o pipefail