diff --git a/src/caoscrawler/crawl.py b/src/caoscrawler/crawl.py
index e3dd04889a2ce16a28307a0e4ea870907511c446..a939b2ff8240295b08c23cdf505005ebdf318d32 100644
--- a/src/caoscrawler/crawl.py
+++ b/src/caoscrawler/crawl.py
@@ -1166,6 +1166,7 @@ def parse_args():
                         "This file will only be generated if this option is set.")
     parser.add_argument("--debug", required=False, action="store_true",
                         help="Path name of the cfood yaml file to be used.")
+    # TODO allow to provide multiple directories to be crawled on the commandline
     parser.add_argument("crawled_directory_path",
                         help="The subtree of files below the given path will "
                         "be considered. Use '/' for everything.")