docs: fix typos and duplicate words

s/and and/and/
s/explicity/explicitly/
s/that that/that/
s/the the/the/
s/is is/it is/
s/overriden/overridden/

NEWS

@@ -107,7 +107,7 @@ CHANGES WITH 243 in spe:
         * A new setting NUMAPolicy= may be used to set process memory
           allocation policy. Setting can be specified in system.conf and
           hence will set the default policy for PID1. Default policy can be
-          overriden on per-service basis. Related setting NUMAMask= is used to
+          overridden on per-service basis. Related setting NUMAMask= is used to
           specify NUMA node mask that should be associated with the selected
           policy.
           …
@@ -938,7 +938,7 @@ CHANGES WITH 240:
           up a private /dev/ file system containing devices nodes — but when
           these are opened they don't work.
 
-          At this point is is recommended that container managers utilizing
+          At this point it is recommended that container managers utilizing
           user namespaces that intend to run systemd in the payload explicitly
           block mknod() with seccomp or similar, so that the graceful fallback
           logic works again.

TODO

@@ -75,7 +75,7 @@ Features:
   safe_fork() is to fork(). And then make revert the RLIMIT_NOFILE soft limit
   to 1K implicitly, unless explicitly opted-out.
 
-* rework seccomp/nnp logic that that even if User= is used in combination with
+* rework seccomp/nnp logic that even if User= is used in combination with
   a seccomp option we don't have to set NNP. For that, change uid first whil
   keeping CAP_SYS_ADMIN, then apply seccomp, the drop cap.
 

docs/AUTOMATIC_BOOT_ASSESSMENT.md

@@ -97,7 +97,7 @@ Here's an example walkthrough of how this all fits together.
    see the `+1-2` tag, and rename the file to
    `4.14.11-300.fc27.x86_64+0-3.conf` and boot it.
 
-6. If this boot also fails, on the next boot the boot loader will see the the
+6. If this boot also fails, on the next boot the boot loader will see the
    tag `+0-3`, i.e. the counter reached zero. At this point the entry will be
    considered "bad", and ordered to the end of the list of entries. The next
    newest boot entry is now tried, i.e. the system automatically reverted back

docs/BLOCK_DEVICE_LOCKING.md

@@ -34,7 +34,7 @@ formatting tools to safely and easily take exclusive ownership of a block
 device while operating: before starting work on the block device, they should
 take an `LOCK_EX` lock on it. This has two effects: first of all, in case
 `systemd-udevd` is still processing the device the tool will wait for it to
-finish. Second, after the lock is taken, it can be sure that that
+finish. Second, after the lock is taken, it can be sure that
 `systemd-udevd` will refrain from processing the block device, and thus all
 other client applications subscribed to it won't get device notifications from
 potentially half-written data either. After the operation is complete the

docs/CODING_STYLE.md

@@ -206,7 +206,7 @@ title: Coding Style
   numeric. Specifically, if you have an `int b` and it's only used in a boolean
   sense, by all means check its state with `if (b) …` — but if `b` can actually
   have more than two semantic values, and you want to compare for non-zero,
-  then please write that explicity with `if (b != 0) …`. This helps readability
+  then please write that explicitly with `if (b != 0) …`. This helps readability
   as the value range and semantical behaviour is directly clear from the
   condition check. As a special addition: when dealing with pointers which you
   want to check for non-NULL-ness, you may also use downgrade-to-bool feature.

docs/ENVIRONMENT.md

@@ -217,7 +217,7 @@ systemd itself:
 
 systemd-remount-fs:
 
-* `$SYSTEMD_REMOUNT_ROOT_RW=1` — if set and and no entry for the root directory
+* `$SYSTEMD_REMOUNT_ROOT_RW=1` — if set and no entry for the root directory
   exists in /etc/fstab (this file always takes precedence), then the root
   directory is remounted writable. This is primarily used by
   systemd-gpt-auto-generator to ensure the root partition is mounted writable

man/systemd-system.conf.xml

@@ -120,7 +120,7 @@
 
         <listitem><para>Configures the NUMA node mask that will be associated with the selected NUMA policy. Note that
         <option>default</option> and <option>local</option> NUMA policies don't require explicit NUMA node mask and
-        value of the option can be empty. Similarly to <varname>NUMAPolicy=</varname>, value can be overriden
+        value of the option can be empty. Similarly to <varname>NUMAPolicy=</varname>, value can be overridden
         by individual services in unit files, see
         <citerefentry><refentrytitle>systemd.exec</refentrytitle><manvolnum>5</manvolnum></citerefentry>.</para></listitem>
       </varlistentry>

man/systemd.net-naming-scheme.xml

@@ -37,7 +37,7 @@
     schemes". The default naming scheme is chosen at compilation time. Usually this will be the latest
     implemented version, but it is also possible to set one of the older versions to preserve
     compatibility. This may be useful for example for distributions, which may introduce new versions of
-    systemd in stable releases without changing the naming scheme. The naming scheme may also be overriden
+    systemd in stable releases without changing the naming scheme. The naming scheme may also be overridden
     using the <varname>net.naming-scheme=</varname> kernel command line switch, see
     <citerefentry><refentrytitle>systemd-udevd.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>.
     Available naming schemes are described below.</para>