diff --git a/core/scripts/run-tests.sh b/core/scripts/run-tests.sh
index 175a414bd4180a2130aca0de4df160967c2f28ec..66a65eac61c878e90bf19a6ab95adea982b91428 100755
--- a/core/scripts/run-tests.sh
+++ b/core/scripts/run-tests.sh
@@ -362,7 +362,8 @@ function simpletest_script_help() {
   --url http://example.com/ --class Drupal\block\Tests\BlockTest
 
 Without a preinstalled Drupal site, specify a SQLite database pathname to create
-and the default database connection info to use in tests:
+(for the test runner) and the default database connection info (for Drupal) to
+use in tests:
 
 sudo -u [wwwrun|www-data|etc] php ./core/scripts/{$args['script']}
   --sqlite /tmpfs/drupal/test.sqlite