diff --git a/core/scripts/run-tests.sh b/core/scripts/run-tests.sh
index 699fb9dad292a9e36a1b5dc938f5a45c7c2a4280..7fbfe54bf28861586008c5229c17ecd156f8c7c6 100755
--- a/core/scripts/run-tests.sh
+++ b/core/scripts/run-tests.sh
@@ -338,8 +338,8 @@ function simpletest_script_help() {
   <test1>[,<test2>[,<test3> ...]]
 
               One or more tests to be run. By default, these are interpreted
-              as the names of test groups as shown at
-              admin/config/development/testing.
+              as the names of test groups which are derived from test class
+              @group annotations.
               These group names typically correspond to module names like "User"
               or "Profile" or "System", but there is also a group "Database".
               If --class is specified then these are interpreted as the names of