diff --git a/README.md b/README.md
index 076fd30..6d9e491 100644
--- a/README.md
+++ b/README.md
@@ -59,6 +59,7 @@ optional arguments:
 
 ```
 ./process_maps.py --tag-transform ./openandromaps/tag-transform.xml --tag-mapping ./openandromaps/tag-mapping.min.xml --use-ram --max-heap-space 12g --maps-dir cache --no-map-download --output-map-name custom --map-list lists/custom.txt
+./process_maps.py --tag-transform ./openandromaps/tag-transform.xml --tag-mapping ./openandromaps/tag-mapping.min.xml --use-ram --max-heap-space 12g --maps-dir cache --no-map-download --output-map-name custom-2 --map-list lists/custom-2.txt
 ./process_maps.py --tag-transform ./openandromaps/tag-transform.xml --tag-mapping ./openandromaps/tag-mapping.min.xml --use-ram --max-heap-space 16g --maps-dir cache --no-map-download --output-map-name pennsylvania --map-list lists/pennsylvania.txt
 ./process_maps.py --tag-transform ./openandromaps/tag-transform.xml --tag-mapping ./openandromaps/tag-mapping.min.xml --use-ram --max-heap-space 12g --maps-dir cache --no-map-download --output-map-name idaho --map-list lists/idaho.txt
 ./process_maps.py --tag-transform ./openandromaps/tag-transform.xml --tag-mapping ./openandromaps/tag-mapping.min.xml --use-ram --max-heap-space 24g --maps-dir cache --no-map-download --output-map-name australia --map-list lists/australia.txt