diff --git a/incorporealcms/feed.py b/incorporealcms/feed.py
index 6a3ebfb..305434f 100644
--- a/incorporealcms/feed.py
+++ b/incorporealcms/feed.py
@@ -1,8 +1,8 @@
 """Generate Atom and RSS feeds based on content in a blog-ish location.
 
-This parses a special root directory, feed/, for feed/YYYY/MM/DD/file files,
+This parses a special root directory, feed/, for YYYYMMDD-foo.md files,
 and combines them into an Atom or RSS feed. These files *should* be symlinks
-to the real pages, which may mirror the same YYYY/MM/DD/file naming scheme
+to the real pages, which may mirror the same YYYYMMDD-foo.md file naming scheme
 under pages/ (which may make sense for a blog) if they want, but could just
 as well be pages/foo content.
 
@@ -68,6 +68,6 @@ def serve_feed(feed_type):
 
 def _generate_feed_id(feed_entry_path):
     """For a relative file path, generate the Atom/RSS feed ID for it."""
-    date = re.sub(r'.*/(\d+)/(\d+)/(\d+).*', r'\1-\2-\3', feed_entry_path)
+    date = re.sub(r'.*(\d{4})(\d{2})(\d{2}).*', r'\1-\2-\3', feed_entry_path)
     cleaned = feed_entry_path.replace('#', '/').replace('feed/', '', 1).replace(app.instance_path, '')
     return f'tag:{app.config["DOMAIN_NAME"]},{date}:{cleaned}'