diff --git a/swh/loader/svn/converters.py b/swh/loader/svn/converters.py
index 48adf8b..3915140 100644
--- a/swh/loader/svn/converters.py
+++ b/swh/loader/svn/converters.py
@@ -1,82 +1,82 @@
 # Copyright (C) 2015-2020  The Software Heritage developers
 # See the AUTHORS file at the top-level directory of this distribution
 # License: GNU General Public License version 3, or any later version
 # See top-level LICENSE file for more information
 
 from typing import Dict, Optional, Sequence, Tuple
 
 from swh.model.model import Person, Revision, RevisionType, TimestampWithTimezone
 
 from .utils import strdate_to_timestamp
 
 
 def svn_date_to_swh_date(strdate: Optional[str]) -> TimestampWithTimezone:
     """Convert a string date to an swh one.
 
     Args:
         strdate: A string formatted for .utils.strdate_to_timestamp
         to do its jobs
 
     Returns:
         An swh date format
 
     """
     return TimestampWithTimezone(
         timestamp=strdate_to_timestamp(strdate), offset=0, negative_utc=False,
     )
 
 
 def svn_author_to_swh_person(author: Optional[bytes]) -> Person:
     """Convert an svn author to an swh person.
     Default policy: No information is added.
 
     Args:
         author: the svn author (in bytes)
 
     Returns:
         a Person
 
     """
     return Person.from_fullname(author or b"")
 
 
 def build_swh_revision(
     rev: int, commit: Dict, repo_uuid: bytes, dir_id: bytes, parents: Sequence[bytes]
 ) -> Revision:
     """Given a svn revision, build a swh revision.
 
     This adds an 'extra-headers' entry with the
     repository's uuid and the svn revision.
 
     Args:
-        - rev: the svn revision number
-        - commit: the commit data: revision id, date, author, and message
-        - repo_uuid: The repository's uuid
-        - dir_id: the tree's hash identifier
-        - parents: the revision's parents identifier
+        rev: the svn revision number
+        commit: the commit data: revision id, date, author, and message
+        repo_uuid: The repository's uuid
+        dir_id: the tree's hash identifier
+        parents: the revision's parents identifier
 
     Returns:
         The swh revision dictionary.
 
     """
     author = commit["author_name"]
     msg = commit["message"]
     date = commit["author_date"]
 
     extra_headers: Tuple[Tuple[bytes, bytes], ...] = (
         (b"svn_repo_uuid", repo_uuid),
         (b"svn_revision", str(rev).encode()),
     )
 
     return Revision(
         type=RevisionType.SUBVERSION,
         date=date,
         committer_date=date,
         directory=dir_id,
         message=msg,
         author=author,
         committer=author,
         synthetic=True,
         extra_headers=extra_headers,
         parents=tuple(parents),
     )