diff --git a/listers/sourceforge/sourceforge-ls-projects.py b/listers/sourceforge/sourceforge-ls-projects.py
index ed453cf..8064dc2 100755
--- a/listers/sourceforge/sourceforge-ls-projects.py
+++ b/listers/sourceforge/sourceforge-ls-projects.py
@@ -1,76 +1,73 @@
 #!/usr/bin/env python3
 
 """list all SourceForge projects using sitemap(s)
 
 Example:
 
     $ sourceforge-ls-projects.py | sort > sourceforge-projects.txt
 
 """
 
 __copyright__ = "Copyright (C) 2020  Stefano Zacchiroli"
 __license__ = "GPL-3.0-or-later"
 
 
 import logging
 import re
 import requests
 import xml.etree.ElementTree as ET
 
 from pathlib import Path
 
 
 SITEMAP_INDEX_URL = "https://sourceforge.net/allura_sitemap/sitemap.xml"
 PROJ_URL_RE = re.compile("^(https://sourceforge.net/p/)([^/]+)")
 CACHE_DIR = Path("~/.cache/swh/sourceforge-lister").expanduser()
 
 
 def download(url, use_cache=True):
     """URL downloader backed by on-disk cache
 
     """
     cache_name = CACHE_DIR / url.split("/")[-1]
 
     if not use_cache or not cache_name.exists():
         logging.info(f"downloading {url} ...")
         r = requests.get(url)
         CACHE_DIR.mkdir(parents=True, exist_ok=True)
         with open(cache_name, "w") as f:
             f.write(r.text)
 
     with open(cache_name) as f:
         return f.read()
 
 
 def ls_projects(sitemap_url):
     """(download and) parse sitemaps to extract project URLs
 
     """
     idx = ET.fromstring(download(SITEMAP_INDEX_URL))
 
     for map_loc in idx.findall(".//{*}sitemap/{*}loc"):
         map_url = map_loc.text
         sub_idx = ET.fromstring(download(map_url))
 
         known_projs = set()  # hash()-es of known projects
         for proj in sub_idx.findall(".//{*}url"):
             proj_url = proj.find("{*}loc").text
-            # proj_ts = proj.find("{*}lastmod").text
-            # proj_freq = proj.find("{*}changefreq").text
-            # print("\t".join([proj_url, proj_ts, proj_freq]))A
             if m := PROJ_URL_RE.match(proj_url):
                 proj_name = m.group(2)  # base project url
                 h = hash(proj_name)
                 if h not in known_projs:
                     known_projs.add(h)
                     yield proj_name
 
 
 def main():
     logging.basicConfig(level=logging.INFO)
     for proj_name in ls_projects(SITEMAP_INDEX_URL):
         print(proj_name)
 
 
 if __name__ == "__main__":
     main()