Update docs

README.md

@@ -110,6 +110,23 @@ https://pep-previews--2440.org.readthedocs.build
 
 <!-- [[[end]]] -->
 
+### Open a BPO issue in the browser
+
+Issues from [bugs.python.org](https://bugs.python.org/) have been migrated to
+[GitHub issues](https://github.com/python/cpython/issues) and have new numbers. This
+command will open the redirect page to take you to the new issue.
+
+<!-- [[[cog run("bpo 46208") ]]] -->
+
+```console
+$ bpo 46208
+https://bugs.python.org/issue?@action=redirect&bpo=46208
+```
+
+<!-- [[[end]]] -->
+
+This redirects to https://github.com/python/cpython/issues/90366
+
 ### Help
 
 <!-- [[[cog run("pep --help") ]]] -->

src/pepotron/cli.py

@@ -59,7 +59,8 @@ def main() -> None:
 
 def bpo() -> None:
     parser = argparse.ArgumentParser(
-        description=__doc__, formatter_class=argparse.RawDescriptionHelpFormatter
+        description="Open this BPO in the browser",
+        formatter_class=argparse.RawDescriptionHelpFormatter,
     )
     parser.add_argument("bpo", type=int, help="BPO number")
     parser = add_common_arguments(parser)