Documentation: admin-guide: correct spelling

Correct spelling problems for Documentation/admin-guide/ as reported
by codespell.

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Reviewed-by: Mukesh Ojha <quic_mojha@quicinc.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: Zefan Li <lizefan.x@bytedance.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: cgroups@vger.kernel.org
Cc: Alasdair Kergon <agk@redhat.com>
Cc: Mike Snitzer <snitzer@kernel.org>
Cc: dm-devel@redhat.com
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: linux-media@vger.kernel.org
Cc: linux-mm@kvack.org
Link: https://lore.kernel.org/r/20230129231053.20863-2-rdunlap@infradead.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>

Documentation/admin-guide/sysctl/vm.rst

@@ -356,7 +356,7 @@ The lowmem_reserve_ratio is an array. You can see them by reading this file::
 
 But, these values are not used directly. The kernel calculates # of protection
 pages for each zones from them. These are shown as array of protection pages
-in /proc/zoneinfo like followings. (This is an example of x86-64 box).
+in /proc/zoneinfo like the following. (This is an example of x86-64 box).
 Each zone has an array of protection pages like this::
 
   Node 0, zone      DMA
@@ -433,7 +433,7 @@ a 2bit error in a memory module) is detected in the background by hardware
 that cannot be handled by the kernel. In some cases (like the page
 still having a valid copy on disk) the kernel will handle the failure
 transparently without affecting any applications. But if there is
-no other uptodate copy of the data it will kill to prevent any data
+no other up-to-date copy of the data it will kill to prevent any data
 corruptions from propagating.
 
 1: Kill all processes that have the corrupted and not reloadable page mapped