fix typos

taken from debian package, thanks to danny edel and lintian for finding these.

borg/archiver.py

@@ -541,7 +541,7 @@ class Archiver:
 
     @with_repository()
     def do_mount(self, args, repository, manifest, key):
-        """Mount archive or an entire repository as a FUSE fileystem"""
+        """Mount archive or an entire repository as a FUSE filesystem"""
         try:
             from .fuse import FuseOperations
         except ImportError as e:

docs/usage.rst

@@ -160,7 +160,7 @@ General:
     BORG_FILES_CACHE_TTL
         When set to a numeric value, this determines the maximum "time to live" for the files cache
         entries (default: 20). The files cache is used to quickly determine whether a file is unchanged.
-        The FAQ explains this more detailled in: :ref:`always_chunking`
+        The FAQ explains this more detailed in: :ref:`always_chunking`
     TMPDIR
         where temporary files are stored (might need a lot of temporary space for some operations)