Reword another option's help.
diff --git a/lib/src/cli/options.dart b/lib/src/cli/options.dart
index f3df449..e6f5aba 100644
--- a/lib/src/cli/options.dart
+++ b/lib/src/cli/options.dart
@@ -111,7 +111,7 @@
       help: 'Track selection (given as "start:length") through formatting.',
       hide: !verbose);
   parser.addOption('stdin-name',
-      help: 'The path name to show when an error occurs.',
+      help: 'Use this path in error messages when input is read from stdin.',
       defaultsTo: 'stdin',
       hide: !verbose);