roger says this url is better

scripts/maint/format_changelog.py

@@ -401,7 +401,7 @@ class ChangeLog(object):
 # Let's turn bugs to html.
 BUG_PAT = re.compile('(bug|ticket|feature)\s+(\d{4,5})', re.I)
 def bug_html(m):
-    return "%s <a href='https://trac.torproject.org/projects/tor/ticket/%s'>%s</a>" % (m.group(1), m.group(2), m.group(2))
+    return "%s <a href='https://bugs.torproject.org/%s'>%s</a>" % (m.group(1), m.group(2), m.group(2))
 
 class HTMLChangeLog(ChangeLog):
     def __init__(self, *args, **kwargs):