diff --git a/t/test-exception-wrapper b/t/test-exception-wrapper
index e667542e..522f1a89 100755
--- a/t/test-exception-wrapper
+++ b/t/test-exception-wrapper
@@ -3,7 +3,7 @@
 # Run a check for a given file.  A failure is tolerated (and expected), if the filename is listed
 # in a file containing expected failures.
 #
-# Parameters:  SHELL_DIALECT  SCRIPT_FILENAME
+# Parameters:  SCRIPT_FILENAME  TEST_COMMAND [TEST_COMMAND_ARGUMENTS]
 #
 # See EXPECTED_FAILURES_LIST_FILENAME for the filename pattern of a file, containing the relative
 # names of all scripts, that are expected to fail.  This wrapper script will fail, if the exit