update code comment

Author: dawnkelly09

scripts/generate_llms.py

@@ -8,7 +8,7 @@
   1) generate_ai_pages.py            -> /.ai/pages/*.md   (loads its own config; no --config flag)
   2) generate_llms_txt.py            -> /llms.txt
   3) generate_site_index.py          -> /.ai/site-index.json (+llms-full.jsonl by default)
-  4) generate_category_bundles.py    -> /.ai/categories/*.bundle.md (or other formats)
+  4) generate_category_bundles.py    -> /.ai/categories/*.md (or other formats)
 
 Defaults:
   - sections: enabled (use --no-sections to turn off)