fix typos

Thanks go to:
Author: Andrea Gelmini <andrea.gelmini@gelma.net>

docs/changes.rst

@@ -248,7 +248,7 @@ Other changes:
   - improve mount options rendering, #7359
   - make timestamps in manual pages reproducible.
   - describe performing pull-backups via ssh remote forwarding
-  - suggest to use forced command when using remote-fowarding via ssh
+  - suggest to use forced command when using remote-forwarding via ssh
   - fix some -a / --match-archives docs issues
   - incl./excl. options header, clarify --path-from-stdin exclusive control
   - add note about MAX_DATA_SIZE

src/borg/archiver/_common.py

@@ -420,7 +420,7 @@ def define_archive_filters_group(subparser, *, sort_by=True, first_last=True, ol
             dest="older",
             type=relative_time_marker_validator,
             action=Highlander,
-            help="consider archives older than (now - TIMESPAN), e.g. 7d oder 12m.",
+            help="consider archives older than (now - TIMESPAN), e.g. 7d or 12m.",
         )
         group.add_argument(
             "--newer",