diff --git a/scripts/commands/epg/grab.ts b/scripts/commands/epg/grab.ts
index a2594677..659f3792 100644
--- a/scripts/commands/epg/grab.ts
+++ b/scripts/commands/epg/grab.ts
@@ -14,7 +14,7 @@ program
     )
   )
   .addOption(new Option('-o, --output <path>', 'Path to output file').default('guide.xml'))
-  .addOption(new Option('-l, --lang <code>', 'Filter channels by language (ISO 639-2 code)'))
+  .addOption(new Option('-l, --lang <code>', 'Filter channels by language (ISO 639-1 code)'))
   .addOption(
     new Option('-t, --timeout <milliseconds>', 'Override the default timeout for each request').env(
       'TIMEOUT'