Typo fix (neccessary -> necessary).

docs/man/borg.1

@@ -680,7 +680,7 @@ $TMPDIR, $TEMP, or $TMP environment variable is properly set for the sshd
 process.
 For some OSes, this can be done just by setting the correct value in the
 .bashrc (or equivalent login config file for other shells), however in
-other cases it may be neccessary to first enable \fBPermitUserEnvironment yes\fP
+other cases it may be necessary to first enable \fBPermitUserEnvironment yes\fP
 in your \fBsshd_config\fP file, then add \fBenvironment="TMPDIR=/my/big/tmpdir"\fP
 at the start of the public key to be used in the \fBauthorized_hosts\fP file.
 .TP

docs/usage/notes.rst

@@ -184,7 +184,7 @@ This has some notable consequences:
   it contains data in a more sequential manner, historic manifests, multiple
   commits - until you run ``borg compact``)
 - user can choose when to run compaction (it should be done regularly, but not
-  neccessarily after each single borg command)
+  necessarily after each single borg command)
 - user can choose from where to invoke ``borg compact`` to do the compaction
   (from client or from server, it does not need a key)
 - less repo sync data traffic in case you create a copy of your repository by

docs/usage_general.rst.inc

@@ -423,7 +423,7 @@ Temporary files (server):
     process.
     For some OSes, this can be done just by setting the correct value in the
     .bashrc (or equivalent login config file for other shells), however in
-    other cases it may be neccessary to first enable ``PermitUserEnvironment yes``
+    other cases it may be necessary to first enable ``PermitUserEnvironment yes``
     in your ``sshd_config`` file, then add ``environment="TMPDIR=/my/big/tmpdir"``
     at the start of the public key to be used in the ``authorized_hosts`` file.